{
  "results": [
    {
      "index": 0,
      "function": "__might_resched.cold",
      "module": "vmlinux",
      "function_type": "normal",
      "address_computed": "0xffffffff8121acd0",
      "address_formatted": "0xffffffff8121acd0 (0xffffffff8121aae4 + 0x1ec)",
      "addr2line_address": "0xffffffff8121acd0",
      "source": {
        "primary": {
          "function": "__might_resched",
          "file": "kernel/sched/core.c",
          "line": 9163
        },
        "inlined_frames": []
      },
      "function_source": {
        "file": "kernel/sched/core.c",
        "start_line": 9115,
        "end_line": 9164,
        "code": "\nvoid __might_resched(const char *file, int line, unsigned int offsets)\n{\n\t/* Ratelimiting timestamp: */\n\tstatic unsigned long prev_jiffy;\n\n\tunsigned long preempt_disable_ip;\n\n\t/* WARN_ON_ONCE() by default, no rate limit required: */\n\trcu_sleep_check();\n\n\tif ((resched_offsets_ok(offsets) && !irqs_disabled() &&\n\t     !is_idle_task(current) && !current->non_block_count) ||\n\t    system_state == SYSTEM_BOOTING || system_state > SYSTEM_RUNNING ||\n\t    oops_in_progress)\n\t\treturn;\n\n\tif (time_before(jiffies, prev_jiffy + HZ) && prev_jiffy)\n\t\treturn;\n\tprev_jiffy = jiffies;\n\n\t/* Save this before calling printk(), since that will clobber it: */\n\tpreempt_disable_ip = get_preempt_disable_ip(current);\n\n\tpr_err(\"BUG: sleeping function called from invalid context at %s:%d\\n\",\n\t       file, line);\n\tpr_err(\"in_atomic(): %d, irqs_disabled(): %d, non_block: %d, pid: %d, name: %s\\n\",\n\t       in_atomic(), irqs_disabled(), current->non_block_count,\n\t       current->pid, current->comm);\n\tpr_err(\"preempt_count: %x, expected: %x\\n\", preempt_count(),\n\t       offsets & MIGHT_RESCHED_PREEMPT_MASK);\n\n\tif (IS_ENABLED(CONFIG_PREEMPT_RCU)) {\n\t\tpr_err(\"RCU nest depth: %d, expected: %u\\n\",\n\t\t       rcu_preempt_depth(), offsets >> MIGHT_RESCHED_RCU_SHIFT);\n\t}\n\n\tif (task_stack_end_corrupted(current))\n\t\tpr_emerg(\"Thread overran stack, or stack corrupted\\n\");\n\n\tdebug_show_held_locks(current);\n\tif (irqs_disabled())\n\t\tprint_irqtrace_events(current);\n\n\tprint_preempt_disable_ip(offsets & MIGHT_RESCHED_PREEMPT_MASK,\n\t\t\t\t preempt_disable_ip);\n\n\tdump_stack();\n\tadd_taint(TAINT_WARN, LOCKDEP_STILL_OK);\n}\n"
      },
      "git_blame_hashes": [
        "1c3c5eab171590f86edd8d31389d61dd1efe3037",
        "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "312364f3534cc974b79a96d062bde2386315201f",
        "50e081b96e35e43b65591f40f7376204decd1cb5",
        "8d713b699e84aade6b64e241a35f22e166fc8174",
        "a45ed302b6e6fe5b03166321c08b4f2ad4a92a35",
        "a8b686b3af4419f92e0ea5be1c76fb68363df8e6",
        "aef745fca016aea45adae5c98e8698904dd8ad51",
        "d1c6d149cf04d6c7c3c3ebf4b66c82500cbcf6e1",
        "d1ccc66df8bfe30ee2533ceef40633d65154b43d",
        "f0b22e39e3409109d40ef036b1f46b419e82f58e"
      ],
      "blame_details": [
        {
          "hash": "50e081b96e35e43b65591f40f7376204decd1cb5",
          "subject": "sched: Make RCU nest depth distinct in __might_resched()",
          "link": "https://lkml.kernel.org/r/20210923165358.243232823@linutronix.de"
        },
        {
          "hash": "8d713b699e84aade6b64e241a35f22e166fc8174",
          "subject": "sched: Make might_sleep() output less confusing",
          "link": "https://lkml.kernel.org/r/20210923165358.181022656@linutronix.de"
        },
        {
          "hash": "a45ed302b6e6fe5b03166321c08b4f2ad4a92a35",
          "subject": "sched: Cleanup might_sleep() printks",
          "link": "https://lkml.kernel.org/r/20210923165358.117496067@linutronix.de"
        },
        {
          "hash": "312364f3534cc974b79a96d062bde2386315201f",
          "subject": "kernel.h: Add non_block_start/end()",
          "link": "https://lore.kernel.org/r/20190826201425.17547-4-daniel.vetter@ffwll.ch"
        },
        {
          "hash": "1c3c5eab171590f86edd8d31389d61dd1efe3037",
          "subject": "sched/core: Enable might_sleep() and smp_processor_id() checks early",
          "link": "http://lkml.kernel.org/r/20170516184736.272225698@linutronix.de"
        },
        {
          "hash": "d1ccc66df8bfe30ee2533ceef40633d65154b43d",
          "subject": "sched/core: Clean up comments"
        },
        {
          "hash": "f0b22e39e3409109d40ef036b1f46b419e82f58e",
          "subject": "sched/debug: Add taint on \"BUG: Sleeping function called from invalid context\"",
          "link": "http://lkml.kernel.org/r/1469216762-19626-1-git-send-email-vegard.nossum@oracle.com"
        },
        {
          "hash": "d1c6d149cf04d6c7c3c3ebf4b66c82500cbcf6e1",
          "subject": "sched/debug: Make the \"Preemption disabled at ...\" message more useful"
        },
        {
          "hash": "a8b686b3af4419f92e0ea5be1c76fb68363df8e6",
          "subject": "sched/debug: Check for stack overflow in ___might_sleep()",
          "link": "http://lkml.kernel.org/r/5490B158.4060005@redhat.com"
        },
        {
          "hash": "aef745fca016aea45adae5c98e8698904dd8ad51",
          "subject": "sched: clean up __might_sleep()"
        },
        {
          "hash": "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
          "subject": "Linux-2.6.12-rc2"
        }
      ],
      "recent_commits": [
        {
          "hash": "50e081b96e35e",
          "subject": "sched: Make RCU nest depth distinct in __might_resched()"
        },
        {
          "hash": "8d713b699e84a",
          "subject": "sched: Make might_sleep() output less confusing"
        },
        {
          "hash": "a45ed302b6e6f",
          "subject": "sched: Cleanup might_sleep() printks"
        },
        {
          "hash": "874f670e6088d",
          "subject": "sched: Clean up the might_sleep() underscore zoo"
        },
        {
          "hash": "2062a4e8ae9f4",
          "subject": "kallsyms/printk: add loglvl to print_ip_sym()"
        },
        {
          "hash": "312364f3534cc",
          "subject": "kernel.h: Add non_block_start/end()"
        },
        {
          "hash": "1c3c5eab17159",
          "subject": "sched/core: Enable might_sleep() and smp_processor_id() checks early"
        },
        {
          "hash": "d1ccc66df8bfe",
          "subject": "sched/core: Clean up comments"
        },
        {
          "hash": "f0b22e39e3409",
          "subject": "sched/debug: Add taint on \"BUG: Sleeping function called from invalid context\""
        },
        {
          "hash": "d1c6d149cf04d",
          "subject": "sched/debug: Make the \"Preemption disabled at ...\" message more useful"
        }
      ],
      "disasm": "ffffffff8121ac86:\tjne    ffffffff8121ac95 <__might_resched.cold+0x1b1>\nffffffff8121ac88:\tmov    %gs:0x12f23388(%rip),%rdi        # ffffffff9413e018 <current_task>\nffffffff8121ac90:\tcall   ffffffff81e49010 <print_irqtrace_events>\nffffffff8121ac95:\tmov    %gs:0x12f23394(%rip),%eax        # ffffffff9413e030 <__preempt_count>\nffffffff8121ac9c:\tand    $0x7fffffff,%eax\nffffffff8121aca1:\tcmp    %eax,%r12d\nffffffff8121aca4:\tje     ffffffff8121accb <__might_resched.cold+0x1e7>\nffffffff8121aca6:\tmov    $0xffffffff8bae91c0,%rdi\nffffffff8121acad:\tcall   ffffffff81224e30 <_printk>\nffffffff8121acb2:\tmov    %r15,%rcx\nffffffff8121acb5:\tmov    %r15,%rdx\nffffffff8121acb8:\tmov    $0xffffffff8bae9200,%rsi\nffffffff8121acbf:\tmov    $0xffffffff8bae9240,%rdi\nffffffff8121acc6:\tcall   ffffffff81224e30 <_printk>\nffffffff8121accb:\tcall   ffffffff8175b130 <dump_stack>\nffffffff8121acd0:\txor    %esi,%esi   <<< crash\nffffffff8121acd2:\tmov    $0x9,%edi\nffffffff8121acd7:\tcall   ffffffff81c6db20 <add_taint>\nffffffff8121acdc:\tjmp    ffffffff81d54d18 <__might_resched+0x108>\nffffffff8121ace1:\tcall   ffffffff82758a80 <__asan_report_load8_noabort>\nffffffff8121ace6:\tjmp    ffffffff8121ab13 <__might_resched.cold+0x2f>"
    },
    {
      "index": 1,
      "function": "shmem_undo_range",
      "module": "vmlinux",
      "function_type": "normal",
      "address_computed": "0xffffffff8250f297",
      "address_formatted": "0xffffffff8250f297 (0xffffffff8250ee50 + 0x447)",
      "addr2line_correction": "-1 (return address)",
      "addr2line_address": "0xffffffff8250f296",
      "source": {
        "primary": {
          "function": "shmem_undo_range",
          "file": "mm/shmem.c",
          "line": 1150
        },
        "inlined_frames": []
      },
      "function_source": null,
      "note": "function boundary heuristic misfired (extracted >150 lines) for mm/shmem.c:1150"
    },
    {
      "index": 2,
      "function": "shmem_evict_inode",
      "module": "vmlinux",
      "function_type": "normal",
      "address_computed": "0xffffffff825108a3",
      "address_formatted": "0xffffffff825108a3 (0xffffffff825104b0 + 0x3f3)",
      "addr2line_correction": "-1 (return address)",
      "addr2line_address": "0xffffffff825108a2",
      "source": {
        "primary": {
          "function": "shmem_truncate_range",
          "file": "mm/shmem.c",
          "line": 1277
        },
        "inlined_frames": [
          {
            "function": "shmem_evict_inode",
            "file": "mm/shmem.c",
            "line": 1407
          }
        ]
      },
      "function_source": {
        "file": "mm/shmem.c",
        "start_line": 1274,
        "end_line": 1280,
        "code": "\nvoid shmem_truncate_range(struct inode *inode, loff_t lstart, uoff_t lend)\n{\n\tshmem_undo_range(inode, lstart, lend, false);\n\tinode_set_mtime_to_ts(inode, inode_set_ctime_current(inode));\n\tinode_inc_iversion(inode);\n}\n"
      },
      "git_blame_hashes": [
        "1635f6a74152f1dcd1b888231609d64875f0a81a",
        "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "36f05cab0a2c97bda288c3b6a557ec5fb8d9bba6",
        "37d369fa97cc0774ea4eab726d16bcb5fbe3a104",
        "cf2766bb7c25baf38b1cda3360bc531ad79c33e7"
      ],
      "recent_commits": [
        {
          "hash": "37d369fa97cc0",
          "subject": "fs: Add uoff_t"
        },
        {
          "hash": "cf2766bb7c25b",
          "subject": "mm: convert to new timestamp accessors"
        },
        {
          "hash": "6528733416f13",
          "subject": "shmem: convert to ctime accessor functions"
        },
        {
          "hash": "36f05cab0a2c9",
          "subject": "tmpfs: add support for an i_version counter"
        },
        {
          "hash": "078cd8279e659",
          "subject": "fs: Replace CURRENT_TIME with current_time() for inode timestamps"
        },
        {
          "hash": "1635f6a74152f",
          "subject": "tmpfs: undo fallocation on failure"
        },
        {
          "hash": "285b2c4fdd69e",
          "subject": "tmpfs: demolish old swap vector support"
        },
        {
          "hash": "1da177e4c3f41",
          "subject": "Linux-2.6.12-rc2"
        }
      ]
    },
    {
      "index": 3,
      "function": "evict",
      "module": "vmlinux",
      "function_type": "normal",
      "address_computed": "0xffffffff8290f9e2",
      "address_formatted": "0xffffffff8290f9e2 (0xffffffff8290f620 + 0x3c2)",
      "addr2line_correction": "-1 (return address)",
      "addr2line_address": "0xffffffff8290f9e1",
      "source": {
        "primary": {
          "function": "evict",
          "file": "fs/inode.c",
          "line": 841
        },
        "inlined_frames": []
      },
      "function_source": {
        "file": "fs/inode.c",
        "start_line": 809,
        "end_line": 866,
        "code": " *\n * An inode must already be marked I_FREEING so that we avoid the inode being\n * moved back onto lists if we race with other code that manipulates the lists\n * (e.g. writeback_single_inode). The caller is responsible for setting this.\n *\n * An inode must already be removed from the LRU list before being evicted from\n * the cache. This should occur atomically with setting the I_FREEING state\n * flag, so no inodes here should ever be on the LRU when being evicted.\n */\nstatic void evict(struct inode *inode)\n{\n\tconst struct super_operations *op = inode->i_sb->s_op;\n\n\tBUG_ON(!(inode_state_read_once(inode) & I_FREEING));\n\tBUG_ON(!list_empty(&inode->i_lru));\n\n\tinode_io_list_del(inode);\n\tinode_sb_list_del(inode);\n\n\tspin_lock(&inode->i_lock);\n\tinode_wait_for_lru_isolating(inode);\n\n\t/*\n\t * Wait for flusher thread to be done with the inode so that filesystem\n\t * does not start destroying it while writeback is still running. Since\n\t * the inode has I_FREEING set, flusher thread won't start new work on\n\t * the inode.  We just have to wait for running writeback to finish.\n\t */\n\tinode_wait_for_writeback(inode);\n\tspin_unlock(&inode->i_lock);\n\n\tif (op->evict_inode) {\n\t\top->evict_inode(inode);\n\t} else {\n\t\ttruncate_inode_pages_final(&inode->i_data);\n\t\tclear_inode(inode);\n\t}\n\tif (S_ISCHR(inode->i_mode) && inode->i_cdev)\n\t\tcd_forget(inode);\n\n\tremove_inode_hash(inode);\n\n\t/*\n\t * Wake up waiters in __wait_on_freeing_inode().\n\t *\n\t * It is an invariant that any thread we need to wake up is already\n\t * accounted for before remove_inode_hash() acquires ->i_lock -- both\n\t * sides take the lock and sleep is aborted if the inode is found\n\t * unhashed. Thus either the sleeper wins and goes off CPU, or removal\n\t * wins and the sleeper aborts after testing with the lock.\n\t *\n\t * This also means we don't need any fences for the call below.\n\t */\n\tinode_wake_up_bit(inode, __I_NEW);\n\tBUG_ON(inode_state_read_once(inode) != (I_FREEING | I_CLEAR));\n\n\tdestroy_inode(inode);\n}\n"
      },
      "git_blame_hashes": [
        "003a6607304dddb314acc475883064feeefbe2e7",
        "0fe340a98b584a31b07c664dc5ff0c923730581e",
        "169ebd90131b2ffca74bb2dbe7eeacd39fb83714",
        "2a0629834cd82f05d424bbc193374f9a43d1f87d",
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        "91b0abe36a7b2b3b02d7500925a5f8455334f0e5",
        "b2b2af8e614b4dcd8aca1369d82ce5ad0461a7b1",
        "b4272d4c810532e1a4dea111433a0af56d3bd2b7",
        "b4dbfd8653b34b0ab6c024ceda32af488c9b5602",
        "be7ce4161f9e6bf2497f90337d1214aa6ee06e15",
        "dbd5768f87ff6fb0a4fe09c4d7b6c4a24de99430",
        "eb7e453a83007d019d718c6b3666a1c082b676b0",
        "f5aa78e2be066f3801785094f1b55a3114fe461a"
      ],
      "recent_commits": [
        {
          "hash": "003a6607304dd",
          "subject": "fs: push list presence check into inode_io_list_del()"
        },
        {
          "hash": "f5aa78e2be066",
          "subject": "Manual conversion to use ->i_state accessors of all places not covered by coccinelle"
        },
        {
          "hash": "b4dbfd8653b34",
          "subject": "Coccinelle-based conversion to use ->i_state accessors"
        },
        {
          "hash": "eb7e453a83007",
          "subject": "fs: drop the lock trip around I_NEW wake up in evict()"
        },
        {
          "hash": "45c9faf506658",
          "subject": "vfs: make evict() use smp_mb__after_spinlock instead of smp_mb"
        },
        {
          "hash": "0fe340a98b584",
          "subject": "inode: port __I_NEW to var event"
        },
        {
          "hash": "57510c58b5832",
          "subject": "vfs: drop one lock trip in evict()"
        },
        {
          "hash": "2a0629834cd82",
          "subject": "vfs: Don't evict inode under the inode lru traversing context"
        },
        {
          "hash": "5bc9ad78c2f83",
          "subject": "vfs: handle __wait_on_freeing_inode() and evict() race"
        },
        {
          "hash": "4e7b5671c6a88",
          "subject": "block: remove i_bdev"
        }
      ]
    },
    {
      "index": 4,
      "function": "iput.part.0",
      "module": "vmlinux",
      "function_type": "normal",
      "address_computed": "0xffffffff829113f5",
      "address_formatted": "0xffffffff829113f5 (0xffffffff82910df0 + 0x605)",
      "addr2line_correction": "-1 (return address)",
      "addr2line_address": "0xffffffff829113f4",
      "source": {
        "primary": {
          "function": "iput_final",
          "file": "fs/inode.c",
          "line": 1960
        },
        "inlined_frames": [
          {
            "function": "iput",
            "file": "fs/inode.c",
            "line": 2009
          }
        ]
      },
      "function_source": {
        "file": "fs/inode.c",
        "start_line": 1907,
        "end_line": 1961,
        "code": " * Called when we're dropping the last reference\n * to an inode.\n *\n * Call the FS \"drop_inode()\" function, defaulting to\n * the legacy UNIX filesystem behaviour.  If it tells\n * us to evict inode, do so.  Otherwise, retain inode\n * in cache if fs is alive, sync and evict if fs is\n * shutting down.\n */\nstatic void iput_final(struct inode *inode)\n{\n\tstruct super_block *sb = inode->i_sb;\n\tconst struct super_operations *op = inode->i_sb->s_op;\n\tint drop;\n\n\tWARN_ON(inode_state_read(inode) & I_NEW);\n\tVFS_BUG_ON_INODE(atomic_read(&inode->i_count) != 0, inode);\n\n\tif (op->drop_inode)\n\t\tdrop = op->drop_inode(inode);\n\telse\n\t\tdrop = inode_generic_drop(inode);\n\n\tif (!drop &&\n\t    !(inode_state_read(inode) & I_DONTCACHE) &&\n\t    (sb->s_flags & SB_ACTIVE)) {\n\t\t__inode_lru_list_add(inode, true);\n\t\tspin_unlock(&inode->i_lock);\n\t\treturn;\n\t}\n\n\t/*\n\t * Re-check ->i_count in case the ->drop_inode() hooks played games.\n\t * Note we only execute this if the verdict was to drop the inode.\n\t */\n\tVFS_BUG_ON_INODE(atomic_read(&inode->i_count) != 0, inode);\n\n\tif (drop) {\n\t\tinode_state_set(inode, I_FREEING);\n\t} else {\n\t\tinode_state_set(inode, I_WILL_FREE);\n\t\tspin_unlock(&inode->i_lock);\n\n\t\twrite_inode_now(inode, 1);\n\n\t\tspin_lock(&inode->i_lock);\n\t\tWARN_ON(inode_state_read(inode) & I_NEW);\n\t\tinode_state_replace(inode, I_WILL_FREE, I_FREEING);\n\t}\n\n\tinode_lru_list_del(inode);\n\tspin_unlock(&inode->i_lock);\n\n\tevict(inode);\n}\n"
      },
      "git_blame_hashes": [
        "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "250df6ed274d767da844a5d9f05720b804240197",
        "3f19b2ab97a97b413c24b66c67ae16daa4f56c35",
        "45321ac54316eaeeebde0b5f728a1791e500974c",
        "4c6b40877b4dc83f61a762a3a35a09dcf744b585",
        "7ccf19a8042e343f8159f8a5fdd6a9422aa90c78",
        "88149082bb8ef31b289673669e080ec6a00c2e59",
        "b2b2af8e614b4dcd8aca1369d82ce5ad0461a7b1",
        "b4dbfd8653b34b0ab6c024ceda32af488c9b5602",
        "be97a4b63ca8c3ed8f5c3f5606a15a8379c78afb",
        "e7f59097071f2e193e900093742a4be85839f3d9",
        "f5aa78e2be066f3801785094f1b55a3114fe461a",
        "f99b3917789d83ea89b24b722d784956f8289f45"
      ],
      "recent_commits": [
        {
          "hash": "4c6b40877b4dc",
          "subject": "fs: cosmetic fixes to lru handling"
        },
        {
          "hash": "f5aa78e2be066",
          "subject": "Manual conversion to use ->i_state accessors of all places not covered by coccinelle"
        },
        {
          "hash": "b4dbfd8653b34",
          "subject": "Coccinelle-based conversion to use ->i_state accessors"
        },
        {
          "hash": "be97a4b63ca8c",
          "subject": "fs: assert on ->i_count in iput_final()"
        },
        {
          "hash": "f99b3917789d8",
          "subject": "fs: rename generic_delete_inode() and generic_drop_inode()"
        },
        {
          "hash": "51b8c1fe250d1",
          "subject": "vfs: keep inodes with page cache off the inode shrinker LRU"
        },
        {
          "hash": "88149082bb8ef",
          "subject": "fs: Handle I_DONTCACHE in iput_final() instead of generic_drop_inode()"
        },
        {
          "hash": "3f19b2ab97a97",
          "subject": "vfs, afs, ext4: Make the inode hash table RCU searchable"
        },
        {
          "hash": "1751e8a6cb935",
          "subject": "Rename superblock flags (MS_xyz -> SB_xyz)"
        },
        {
          "hash": "563f40019d16e",
          "subject": "fs: don't set *REFERENCED on single use objects"
        }
      ]
    },
    {
      "index": 5,
      "function": "iput",
      "module": "vmlinux",
      "function_type": "normal",
      "address_computed": "0xffffffff82911d85",
      "address_formatted": "0xffffffff82911d85 (0xffffffff82911d50 + 0x35)",
      "addr2line_correction": "-1 (return address)",
      "addr2line_address": "0xffffffff82911d84",
      "source": {
        "primary": {
          "function": "iput",
          "file": "fs/inode.c",
          "line": 0
        },
        "inlined_frames": []
      },
      "function_source": null,
      "note": "addr2line returned line 0 for fs/inode.c \u2014 DWARF may be incomplete at this address"
    },
    {
      "index": 6,
      "function": "filename_unlinkat",
      "module": "vmlinux",
      "function_type": "normal",
      "address_computed": "0xffffffff828d9216",
      "address_formatted": "0xffffffff828d9216 (0xffffffff828d8db0 + 0x466)",
      "addr2line_correction": "-1 (return address)",
      "addr2line_address": "0xffffffff828d9215",
      "source": {
        "primary": {
          "function": "filename_unlinkat",
          "file": "fs/namei.c",
          "line": 5572
        },
        "inlined_frames": []
      },
      "function_source": {
        "file": "fs/namei.c",
        "start_line": 5517,
        "end_line": 5587,
        "code": "}\nEXPORT_SYMBOL(vfs_unlink);\n\n/*\n * Make sure that the actual truncation of the file will occur outside its\n * directory's i_rwsem.  Truncate can take a long time if there is a lot of\n * writeout happening, and we don't want to prevent access to the directory\n * while waiting on the I/O.\n */\nint filename_unlinkat(int dfd, struct filename *name)\n{\n\tint error;\n\tstruct dentry *dentry;\n\tstruct path path;\n\tstruct qstr last;\n\tint type;\n\tstruct inode *inode;\n\tstruct delegated_inode delegated_inode = { };\n\tunsigned int lookup_flags = 0;\nretry:\n\terror = filename_parentat(dfd, name, lookup_flags, &path, &last, &type);\n\tif (error)\n\t\treturn error;\n\n\terror = -EISDIR;\n\tif (type != LAST_NORM)\n\t\tgoto exit_path_put;\n\n\terror = mnt_want_write(path.mnt);\n\tif (error)\n\t\tgoto exit_path_put;\nretry_deleg:\n\tdentry = start_dirop(path.dentry, &last, lookup_flags);\n\terror = PTR_ERR(dentry);\n\tif (IS_ERR(dentry))\n\t\tgoto exit_drop_write;\n\n\t/* Why not before? Because we want correct error value */\n\tif (unlikely(last.name[last.len])) {\n\t\tif (d_is_dir(dentry))\n\t\t\terror = -EISDIR;\n\t\telse\n\t\t\terror = -ENOTDIR;\n\t\tend_dirop(dentry);\n\t\tgoto exit_drop_write;\n\t}\n\tinode = dentry->d_inode;\n\tihold(inode);\n\terror = security_path_unlink(&path, dentry);\n\tif (error)\n\t\tgoto exit_end_dirop;\n\terror = vfs_unlink(mnt_idmap(path.mnt), path.dentry->d_inode,\n\t\t\t   dentry, &delegated_inode);\nexit_end_dirop:\n\tend_dirop(dentry);\n\tiput(inode);\t/* truncate the inode here */\n\tif (is_delegated(&delegated_inode)) {\n\t\terror = break_deleg_wait(&delegated_inode);\n\t\tif (!error)\n\t\t\tgoto retry_deleg;\n\t}\nexit_drop_write:\n\tmnt_drop_write(path.mnt);\nexit_path_put:\n\tpath_put(&path);\n\tif (retry_estale(error, lookup_flags)) {\n\t\tlookup_flags |= LOOKUP_REVAL;\n\t\tgoto retry;\n\t}\n\treturn error;\n}\n"
      },
      "git_blame_hashes": [
        "0612d9fb270a474fe6a46cc5b8d3f5b71cf5f580",
        "0ee50b47532a81ab36046241822d1ecb4e08e76d",
        "1da177e4c3f41524e886b7f1b8a0c1fc7321cac2",
        "2773d282cd56464f62e9b4703c41d2f733a67842",
        "2ad94ae654f5eb72fd3260b706aea645cf4a7791",
        "3661a7887462b2352ef5199a04e79c3d3c11fff3",
        "4037d966f034ba5da2872c413b2ec17eca867e68",
        "4d359507346a156491300cc193252b525892ae91",
        "5a14696c1795d3843673b5cf1982d0e5357a5bbf",
        "5d18f8133cad85ccbb7fa6fd351d75025da32504",
        "6521f8917082928a4cb637eb64b77b5f2f5b30fc",
        "6976ed2dd0d59086d16d853ac9b21776be68aaad",
        "b21996e36c8e3b92a84e972378bde80b43acd890",
        "c30dabfe5d10c5fd70d882e5afb8f59f2942b194",
        "c5f563f9e9e66c0ad0b23abe25165c124579b70e",
        "e50aae1d39ac37a95f453a699456b73dd07e3913",
        "f5beed755bce1791d926ded9d83640b25e14a617"
      ],
      "recent_commits": [
        {
          "hash": "e50aae1d39ac3",
          "subject": "non-consuming variants of do_{unlinkat,rmdir}()"
        },
        {
          "hash": "a8058f8442df3",
          "subject": "Merge tag 'vfs-6.19-rc1.directory.locking' of git://git.kernel.org/pub/scm/linux/kernel/git/vfs/vfs"
        },
        {
          "hash": "3661a7887462b",
          "subject": "VFS: tidy up do_unlinkat()"
        },
        {
          "hash": "4037d966f034b",
          "subject": "VFS: introduce start_dirop() and end_dirop()"
        },
        {
          "hash": "6976ed2dd0d59",
          "subject": "filelock: add struct delegated_inode"
        },
        {
          "hash": "2773d282cd564",
          "subject": "docs/vfs: update references to i_mutex to i_rwsem"
        },
        {
          "hash": "204a575e91f3d",
          "subject": "VFS: add common error checks to lookup_one_qstr_excl()"
        },
        {
          "hash": "6036c5f131752",
          "subject": "fs: simplify misleading code to remove ambiguity regarding ihold()/iput()"
        },
        {
          "hash": "74d7970febf7e",
          "subject": "ksmbd: fix racy issue from using ->d_parent and ->d_name"
        },
        {
          "hash": "abf08576afe31",
          "subject": "fs: port vfs_*() helpers to struct mnt_idmap"
        }
      ]
    },
    {
      "index": 7,
      "function": "__x64_sys_unlink",
      "module": "vmlinux",
      "function_type": "normal",
      "address_computed": "0xffffffff828d97b6",
      "address_formatted": "0xffffffff828d97b6 (0xffffffff828d9770 + 0x46)",
      "addr2line_correction": "-1 (return address)",
      "addr2line_address": "0xffffffff828d97b5",
      "source": {
        "primary": {
          "function": "__do_sys_unlink",
          "file": "fs/namei.c",
          "line": 5603
        },
        "inlined_frames": [
          {
            "function": "__se_sys_unlink",
            "file": "fs/namei.c",
            "line": 5600
          },
          {
            "function": "__x64_sys_unlink",
            "file": "fs/namei.c",
            "line": 5600
          }
        ]
      },
      "function_source": {
        "file": "fs/namei.c",
        "start_line": 5599,
        "end_line": 5604,
        "code": "\nSYSCALL_DEFINE1(unlink, const char __user *, pathname)\n{\n\tCLASS(filename, name)(pathname);\n\treturn filename_unlinkat(AT_FDCWD, name);\n}\n"
      },
      "git_blame_hashes": [
        "3480b25743cb7404928d57efeaa3d085708b04c2",
        "5590ff0d5528b60153c0b4e7b771472b5a95e297",
        "e50aae1d39ac37a95f453a699456b73dd07e3913"
      ],
      "recent_commits": [
        {
          "hash": "e50aae1d39ac3",
          "subject": "non-consuming variants of do_{unlinkat,rmdir}()"
        },
        {
          "hash": "da2f1362c8bdf",
          "subject": "fs: expose do_unlinkat for built-in callers"
        },
        {
          "hash": "3480b25743cb7",
          "subject": "[CVE-2009-0029] System call wrappers part 14"
        },
        {
          "hash": "5590ff0d5528b",
          "subject": "[PATCH] vfs: *at functions: core"
        }
      ]
    },
    {
      "index": 8,
      "function": "do_syscall_64",
      "module": "vmlinux",
      "function_type": "normal",
      "address_computed": "0xffffffff8b97718b",
      "address_formatted": "0xffffffff8b97718b (0xffffffff8b977080 + 0x10b)",
      "addr2line_correction": "-1 (return address)",
      "addr2line_address": "0xffffffff8b97718a",
      "source": {
        "primary": {
          "function": "do_syscall_x64",
          "file": "arch/x86/entry/syscall_64.c",
          "line": 63
        },
        "inlined_frames": [
          {
            "function": "do_syscall_64",
            "file": "arch/x86/entry/syscall_64.c",
            "line": 94
          }
        ]
      },
      "function_source": {
        "file": "arch/x86/entry/syscall_64.c",
        "start_line": 51,
        "end_line": 67,
        "code": "#endif\n\nstatic __always_inline bool do_syscall_x64(struct pt_regs *regs, int nr)\n{\n\t/*\n\t * Convert negative numbers to very high and thus out of range\n\t * numbers for comparisons.\n\t */\n\tunsigned int unr = nr;\n\n\tif (likely(unr < NR_syscalls)) {\n\t\tunr = array_index_nospec(unr, NR_syscalls);\n\t\tregs->ax = x64_sys_call(regs, unr);\n\t\treturn true;\n\t}\n\treturn false;\n}\n"
      },
      "git_blame_hashes": [
        "01dfb4805420291966b75b208d66c88c62579649",
        "21832247f2df4f636b0f2ae6939819e8dd2ed35f"
      ],
      "recent_commits": [
        {
          "hash": "21832247f2df4",
          "subject": "x86/syscall/x32: Move x32 syscall table"
        },
        {
          "hash": "01dfb48054202",
          "subject": "x86/syscall/64: Move 64-bit syscall dispatch code"
        }
      ]
    }
  ]
}