syzbot

BUG: scheduling while atomic: syz-executor.2/21895/0x00000002
Modules linked in:
Preemption disabled at:
[<ffffffff8165eb4a>] is_module_text_address+0x1a/0x140 kernel/module.c:4811
CPU: 0 PID: 21895 Comm: syz-executor.2 Not tainted 5.15.148-syzkaller-00013-gad06eaf051cd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x17 lib/dump_stack.c:113
 __schedule_bug+0x195/0x260 kernel/sched/core.c:5707
 schedule_debug kernel/sched/core.c:5734 [inline]
 __schedule+0xd19/0x1590 kernel/sched/core.c:6402
 schedule+0x11f/0x1e0 kernel/sched/core.c:6595
 io_schedule+0x8f/0x120 kernel/sched/core.c:8641
 wait_on_page_bit_common+0x89f/0xcc0 mm/filemap.c:1360
 wait_on_page_bit+0x46/0x50 mm/filemap.c:1421
 wait_on_page_writeback+0xcf/0x220 mm/page-writeback.c:2889
 __filemap_fdatawait_range+0x1b9/0x340 mm/filemap.c:540
 file_write_and_wait_range+0x219/0x2b0 mm/filemap.c:818
 ext4_sync_file+0x1a2/0xa50 fs/ext4/fsync.c:151
 vfs_fsync_range+0x17b/0x190 fs/sync.c:188
 generic_write_sync include/linux/fs.h:3023 [inline]
 ext4_buffered_write_iter+0x568/0x610 fs/ext4/file.c:277
 ext4_file_write_iter+0x443/0x1c80
 call_write_iter include/linux/fs.h:2202 [inline]
 new_sync_write fs/read_write.c:507 [inline]
 vfs_write+0xd5d/0x1110 fs/read_write.c:594
 ksys_write+0x199/0x2c0 fs/read_write.c:647
 __do_sys_write fs/read_write.c:659 [inline]
 __se_sys_write fs/read_write.c:656 [inline]
 __x64_sys_write+0x7b/0x90 fs/read_write.c:656
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fd6e380fea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd6e25830c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007fd6e393df80 RCX: 00007fd6e380fea9
RDX: 0000000000032600 RSI: 0000000020000040 RDI: 0000000000000005
RBP: 00007fd6e385c4a4 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fd6e393df80 R15: 00007ffc2bc70368
 </TASK>
FAULT_INJECTION: forcing a failure.
name failslab, interval 1, probability 0, space 0, times 0
CPU: 0 PID: 21895 Comm: syz-executor.2 Tainted: G        W         5.15.148-syzkaller-00013-gad06eaf051cd #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x151/0x1b7 lib/dump_stack.c:106
 dump_stack+0x15/0x17 lib/dump_stack.c:113
 fail_dump lib/fault-inject.c:52 [inline]
 should_fail+0x3c6/0x510 lib/fault-inject.c:146
 __should_failslab+0xa4/0xe0 mm/failslab.c:33
 should_failslab+0x9/0x20 mm/slab_common.c:1351
 slab_pre_alloc_hook+0x37/0xd0 mm/slab.h:525
 slab_alloc_node mm/slub.c:3154 [inline]
 slab_alloc mm/slub.c:3248 [inline]
 kmem_cache_alloc+0x44/0x200 mm/slub.c:3253
 kmem_cache_zalloc include/linux/slab.h:723 [inline]
 __alloc_file+0x29/0x2a0 fs/file_table.c:101
 alloc_empty_file+0x95/0x180 fs/file_table.c:150
 path_openat+0xfe/0x2f40 fs/namei.c:3734
 do_filp_open+0x21c/0x460 fs/namei.c:3775
 do_sys_openat2+0x13f/0x830 fs/open.c:1234
 do_sys_open fs/open.c:1250 [inline]
 __do_sys_openat fs/open.c:1266 [inline]
 __se_sys_openat fs/open.c:1261 [inline]
 __x64_sys_openat+0x243/0x290 fs/open.c:1261
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x61/0xcb
RIP: 0033:0x7fd6e380fea9
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fd6e25830c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fd6e393df80 RCX: 00007fd6e380fea9
RDX: 0000000000007a05 RSI: 00000000200001c0 RDI: ffffffffffffff9c
RBP: 00007fd6e2583120 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000001700 R11: 0000000000000246 R12: 0000000000000001
R13: 000000000000000b R14: 00007fd6e393df80 R15: 00007ffc2bc70368
 </TASK>