BUG: scheduling while atomic: syz.4.363/1507/0x00000002
Modules linked in:
CPU: 1 UID: 0 PID: 1507 Comm: syz.4.363 Not tainted syzkaller #0 ff996278633adec6fd25d1632b496761701c4fe9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
Call Trace:
 <TASK>
 __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:6690
 schedule_debug kernel/sched/core.c:6717 [inline]
 __schedule+0x1752/0x2380 kernel/sched/core.c:7788
 __schedule_loop kernel/sched/core.c:8046 [inline]
 schedule+0xc1/0x170 kernel/sched/core.c:8061
 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8118
 rwsem_down_read_slowpath+0x88c/0x14c0 kernel/locking/rwsem.c:1136
 __down_read_common kernel/locking/rwsem.c:1317 [inline]
 __down_read kernel/locking/rwsem.c:1330 [inline]
 down_read+0x95/0xe0 kernel/locking/rwsem.c:1607
 kernfs_find_and_get_ns+0x76/0x130 fs/kernfs/dir.c:924
 kernfs_find_and_get include/linux/kernfs.h:616 [inline]
 sysfs_unmerge_group+0x66/0x130 fs/sysfs/group.c:396
 dpm_sysfs_remove+0x64/0xd0 drivers/base/power/sysfs.c:833
 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: 0033:0x7f803299fb19
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:00007f803384c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007f8032c26270 RCX: 00007f803299fb19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000002c0
RBP: 00007f8032a37b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8032c26308 R14: 00007f8032c26270 R15: 00007fff1c32b8f8
 </TASK>
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1507 at lib/stackdepot.c:635 stack_depot_save_flags+0x266/0x800 lib/stackdepot.c:633
Modules linked in:
CPU: 0 UID: 0 PID: 1507 Comm: syz.4.363 Tainted: G        W          syzkaller #0 ff996278633adec6fd25d1632b496761701c4fe9
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
RIP: 0010:stack_depot_save_flags+0x266/0x800 lib/stackdepot.c:635
Code: 48 83 3d b4 5e 59 06 00 0f 84 00 04 00 00 48 c7 45 c0 00 00 00 00 48 89 d3 65 8b 05 0c b1 19 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:ffffc90006dff3c0 EFLAGS: 00010206
RAX: 000000007fffffff RBX: ffff8881f559a100 RCX: 000000000059a100
RDX: ffff8881f559a100 RSI: 0000000000000001 RDI: 00000000a4525afb
RBP: ffffc90006dff420 R08: 00000000359b20d0 R09: 000000002d039019
R10: 0000000000000010 R11: ffffffff817790f0 R12: 0000000047d59a10
R13: 0000000000000000 R14: ffffc90006dff480 R15: 0000000000000010
FS:  00007f803384c6c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f803382aff8 CR3: 000000011937c000 CR4: 00000000003526b0
Call Trace:
 <TASK>
 stack_depot_save+0x12/0x20 lib/stackdepot.c:686
 save_stack+0x133/0x240 mm/page_owner.c:175
 __set_page_owner+0x8e/0x600 mm/page_owner.c:338
 set_page_owner include/linux/page_owner.h:35 [inline]
 post_alloc_hook+0x37d/0x3b0 mm/page_alloc.c:1864
 prep_new_page+0x2d/0x180 mm/page_alloc.c:1872
 get_page_from_freelist+0x4aea/0x4ba0 mm/page_alloc.c:3949
 __alloc_pages_noprof+0x35a/0x7e0 mm/page_alloc.c:5316
 alloc_slab_page+0x6b/0x1e0 mm/slub.c:-1
 allocate_slab+0x69/0x430 mm/slub.c:2687
 new_slab mm/slub.c:2741 [inline]
 ___slab_alloc+0x591/0x8c0 mm/slub.c:3934
 __slab_alloc mm/slub.c:4025 [inline]
 __slab_alloc_node mm/slub.c:4078 [inline]
 slab_alloc_node mm/slub.c:4241 [inline]
 kmem_cache_alloc_lru_noprof+0x295/0x410 mm/slub.c:4274
 __d_alloc+0x42/0x8c0 fs/dcache.c:1636
 d_alloc+0x4c/0x1c0 fs/dcache.c:1716
 lookup_one_qstr_excl+0xcf/0x280 fs/namei.c:1637
 do_rmdir+0x1d2/0x590 fs/namei.c:4396
 __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: 0033:0x7f803299fb19
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:00007f803384c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007f8032c26270 RCX: 00007f803299fb19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000002c0
RBP: 00007f8032a37b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8032c26308 R14: 00007f8032c26270 R15: 00007fff1c32b8f8
 </TASK>
---[ end trace 0000000000000000 ]---
BUG: scheduling while atomic: syz.4.363/1507/0x00000000
Modules linked in:
CPU: 0 UID: 0 PID: 1507 Comm: syz.4.363 Tainted: G        W          syzkaller #0 ff996278633adec6fd25d1632b496761701c4fe9
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/15/2026
Call Trace:
 <TASK>
 __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:6690
 schedule_debug kernel/sched/core.c:6717 [inline]
 __schedule+0x1752/0x2380 kernel/sched/core.c:7788
 __schedule_loop kernel/sched/core.c:8046 [inline]
 schedule+0xc1/0x170 kernel/sched/core.c:8061
 schedule_preempt_disabled+0x14/0x30 kernel/sched/core.c:8118
 rwsem_down_write_slowpath+0x5cb/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
 inode_lock_nested include/linux/fs.h:852 [inline]
 do_rmdir+0x1c1/0x590 fs/namei.c:4395
 __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: 0033:0x7f803299fb19
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:00007f803384c028 EFLAGS: 00000246 ORIG_RAX: 0000000000000054
RAX: ffffffffffffffda RBX: 00007f8032c26270 RCX: 00007f803299fb19
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00002000000002c0
RBP: 00007f8032a37b70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 00007f8032c26308 R14: 00007f8032c26270 R15: 00007fff1c32b8f8
 </TASK>