BUG: scheduling while atomic: syz.4.183/1072/0x00000002
Modules linked in:
CPU: 1 UID: 0 PID: 1072 Comm: syz.4.183 Not tainted syzkaller #0 f6ed0fb9bb938319f6518c785cf37c2d863a58c7
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace:
__dump_stack+0x21/0x30 lib/dump_stack.c:94
dump_stack_lvl+0x140/0x1c0 lib/dump_stack.c:120
dump_stack+0x19/0x20 lib/dump_stack.c:129
__schedule_bug+0x12b/0x200 kernel/sched/core.c:6629
schedule_debug kernel/sched/core.c:6656 [inline]
__schedule+0xb85/0x20b0 kernel/sched/core.c:7700
__schedule_loop kernel/sched/core.c:7960 [inline]
schedule+0xc5/0x240 kernel/sched/core.c:7975
schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8032
rwsem_down_write_slowpath+0x5c9/0x1b60 kernel/locking/rwsem.c:1239
__down_write_common kernel/locking/rwsem.c:1383 [inline]
__down_write kernel/locking/rwsem.c:1392 [inline]
down_write+0x163/0x2b0 kernel/locking/rwsem.c:1659
kernfs_remove_by_name_ns+0x8c/0x180 fs/kernfs/dir.c:1737
kernfs_remove_by_name include/linux/kernfs.h:637 [inline]
sysfs_unmerge_group+0xd7/0x130 fs/sysfs/group.c:399
rpm_sysfs_remove drivers/base/power/sysfs.c:826 [inline]
dpm_sysfs_remove+0x7b/0xd0 drivers/base/power/sysfs.c:835
device_del+0x241/0xcf0 drivers/base/core.c:3856
device_unregister drivers/base/core.c:3922 [inline]
device_destroy+0xb0/0x100 drivers/base/core.c:4521
android_device_destroy+0x118/0x180 drivers/usb/gadget/android_configfs_uevent.c:223
gadgets_drop+0x1d/0x30 drivers/usb/gadget/configfs.c:2075
client_drop_item fs/configfs/dir.c:943 [inline]
configfs_rmdir+0x8ba/0x9b0 fs/configfs/dir.c:1546
vfs_rmdir+0x3db/0x560 fs/namei.c:4348
do_rmdir+0x29a/0x590 fs/namei.c:4407
__do_sys_rmdir fs/namei.c:4426 [inline]
__se_sys_rmdir fs/namei.c:4424 [inline]
__x64_sys_rmdir+0x4b/0x60 fs/namei.c:4424
x64_sys_call+0xaf7/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:85
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f349019e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3491061028 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007f3490425fa0 RCX: 00007f349019e159
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007f349023506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3490426038 R14: 00007f3490425fa0 R15: 00007ffd09bbb608
------------[ cut here ]------------
WARNING: CPU: 1 PID: 1072 at lib/stackdepot.c:635 stack_depot_save_flags+0x266/0x800 lib/stackdepot.c:633
Modules linked in:
CPU: 1 UID: 0 PID: 1072 Comm: syz.4.183 Tainted: G W syzkaller #0 f6ed0fb9bb938319f6518c785cf37c2d863a58c7
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
RIP: 0010:stack_depot_save_flags+0x266/0x800 lib/stackdepot.c:635
Code: 48 83 3d f4 00 dc 05 00 0f 84 00 04 00 00 48 c7 45 c0 00 00 00 00 48 89 d3 65 8b 05 cc 33 1e 7d 4d 89 d7 a9 00 00 f0 00 74 2d <0f> 0b 48 c7 45 c8 00 00 00 00 9c 8f 45 c8 4c 8b 6d c8 fa 48 c7 c7
RSP: 0018:ffffc9000cb479d0 EFLAGS: 00010206
RAX: 000000007fffffff RBX: ffff8881f5c8ad10 RCX: 0000000000a8ad10
RDX: ffff8881f5c8ad10 RSI: 0000000000000001 RDI: 000000007cfcd320
RBP: ffffc9000cb47a30 R08: 00000000315342a2 R09: 000000008fd3b337
R10: 000000000000000d R11: ffffffff8175a6a0 R12: 00000000cfca8ad1
R13: 0000000000000000 R14: ffffc9000cb47a40 R15: 000000000000000d
FS: 00007f34910616c0(0000) GS:ffff8881f6f00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f16f363eff8 CR3: 000000012aab2000 CR4: 00000000003526b0
Call Trace:
kasan_save_stack mm/kasan/common.c:50 [inline]
kasan_save_track+0x4f/0x80 mm/kasan/common.c:70
kasan_save_free_info+0x44/0x50 mm/kasan/generic.c:579
poison_slab_object mm/kasan/common.c:249 [inline]
__kasan_slab_free+0x5f/0x80 mm/kasan/common.c:266
kasan_slab_free include/linux/kasan.h:234 [inline]
slab_free_hook mm/slub.c:2445 [inline]
slab_free mm/slub.c:4714 [inline]
kfree+0x158/0x440 mm/slub.c:4875
put_fragment fs/configfs/dir.c:175 [inline]
release_configfs_dirent fs/configfs/configfs_internal.h:139 [inline]
configfs_put fs/configfs/configfs_internal.h:157 [inline]
configfs_d_iput+0x1d8/0x290 fs/configfs/dir.c:63
dentry_unlink_inode+0x363/0x430 fs/dcache.c:410
d_delete+0xa8/0x120 fs/dcache.c:2405
d_delete_notify include/linux/fsnotify.h:358 [inline]
vfs_rmdir+0x264/0x560 fs/namei.c:4361
do_rmdir+0x29a/0x590 fs/namei.c:4407
__do_sys_rmdir fs/namei.c:4426 [inline]
__se_sys_rmdir fs/namei.c:4424 [inline]
__x64_sys_rmdir+0x4b/0x60 fs/namei.c:4424
x64_sys_call+0xaf7/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:85
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f349019e159
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f3491061028 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007f3490425fa0 RCX: 00007f349019e159
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000200000000140
RBP: 00007f349023506b R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f3490426038 R14: 00007f3490425fa0 R15: 00007ffd09bbb608
---[ end trace 0000000000000000 ]---
BUG: scheduling while atomic: syz.4.183/1072/0x00000000
Modules linked in:
CPU: 1 UID: 0 PID: 1072 Comm: syz.4.183 Tainted: G W syzkaller #0 f6ed0fb9bb938319f6518c785cf37c2d863a58c7
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026
Call Trace: