github.com/google/syzkaller@v0.0.0-20240517125934-c0f1611a36d6/pkg/report/testdata/linux/guilty/3 (about)

     1  FILE: kernel/bpf/arraymap.c
     2  
     3  kasan: CONFIG_KASAN_INLINE enabled
     4  kasan: GPF could be caused by NULL-ptr deref or user memory access
     5  general protection fault: 0000 [#1] SMP KASAN
     6  Dumping ftrace buffer:
     7     (ftrace buffer empty)
     8  Modules linked in:
     9  CPU: 3 PID: 5124 Comm: kworker/3:3 Not tainted 4.12.0-rc3+ #370
    10  Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Bochs 01/01/2011
    11  Workqueue: events bpf_map_free_deferred
    12  task: ffff880065321700 task.stack: ffff880065380000
    13  RIP: 0010:css_put include/linux/cgroup.h:354 [inline]
    14  RIP: 0010:cgroup_put include/linux/cgroup.h:373 [inline]
    15  RIP: 0010:cgroup_fd_array_put_ptr+0x88/0x370 kernel/bpf/arraymap.c:535
    16  RSP: 0018:ffff880065387378 EFLAGS: 00010202
    17  RAX: 000000002000000d RBX: 1ffff1000ca70e71 RCX: 1ffffffff0a1912c
    18  RDX: 0000000000000000 RSI: 1ffff1000ca643e6 RDI: 0000000100000069
    19  RBP: ffff880065387450 R08: ffffffff85b0b9e0 R09: 0000000000000000
    20  R10: 0000000000000000 R11: 0000000000000000 R12: 00000000fffffffd
    21  R13: ffff880065387428 R14: dffffc0000000000 R15: ffffffff850c8920
    22  FS:  0000000000000000(0000) GS:ffff88006df00000(0000) knlGS:0000000000000000
    23  CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
    24  CR2: 0000000020014000 CR3: 00000000231ae000 CR4: 00000000000006e0
    25  Call Trace:
    26   fd_array_map_delete_elem kernel/bpf/arraymap.c:374 [inline]
    27   bpf_fd_array_map_clear+0x144/0x260 kernel/bpf/arraymap.c:410
    28   cgroup_fd_array_free+0x15/0x20 kernel/bpf/arraymap.c:540
    29   bpf_map_free_deferred+0xac/0xd0 kernel/bpf/syscall.c:124
    30   process_one_work+0xc03/0x1bd0 kernel/workqueue.c:2097
    31   worker_thread+0x223/0x1860 kernel/workqueue.c:2231
    32   kthread+0x35e/0x430 kernel/kthread.c:231
    33   ret_from_fork+0x2a/0x40 arch/x86/entry/entry_64.S:424
    34  Code: 04 00 f2 f2 f2 c7 40 08 f2 f2 f2 f2 c7 40 0c 00 f2 f2 f2 c7 40 10 f3 f3 f3 f3 e8 a4 dc f0 ff 49 8d 7c 24 6c 48 89 f8 48 c1 e8 03 <42> 0f b6 14 30 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 08 84 d2 0f 
    35  RIP: css_put include/linux/cgroup.h:354 [inline] RSP: ffff880065387378
    36  RIP: cgroup_put include/linux/cgroup.h:373 [inline] RSP: ffff880065387378
    37  RIP: cgroup_fd_array_put_ptr+0x88/0x370 kernel/bpf/arraymap.c:535 RSP: ffff880065387378
    38  ---[ end trace 6192ca3b51b170a8 ]---
    39  Kernel panic - not syncing: Fatal exception
    40  Dumping ftrace buffer:
    41     (ftrace buffer empty)
    42  Kernel Offset: disabled
    43  Rebooting in 86400 seconds..