Buffer I/O error on dev loop0, logical block 13466417, async page read
syz-executor.0: attempt to access beyond end of device
loop0: rw=0, sector=16147212, nr_sectors = 2 limit=128
Buffer I/O error on dev loop0, logical block 8073606, async page read
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7975, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.0/7975:
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
 #1: ffffffff8d3f1f18 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 7975 Comm: syz-executor.0 Not tainted 6.1.85-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106
 __might_resched+0x5cb/0x780 kernel/sched/core.c:9942
 __getblk_gfp+0x41/0xa20 fs/buffer.c:1331
 __bread_gfp+0x2a/0x370 fs/buffer.c:1367
 sb_bread include/linux/buffer_head.h:338 [inline]
 get_branch+0x2af/0x660 fs/sysv/itree.c:104
 get_block+0x181/0x1750 fs/sysv/itree.c:222
 block_read_full_folio+0x403/0xf60 fs/buffer.c:2271
 filemap_read_folio+0x199/0x780 mm/filemap.c:2461
 do_read_cache_folio+0x2ee/0x810 mm/filemap.c:3598
 do_read_cache_page+0x32/0x220 mm/filemap.c:3640
 read_mapping_page include/linux/pagemap.h:791 [inline]
 dir_get_page fs/sysv/dir.c:58 [inline]
 sysv_find_entry+0x1b3/0x420 fs/sysv/dir.c:146
 sysv_inode_by_name+0x94/0x1f0 fs/sysv/dir.c:360
 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38
 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690
 lookup_slow+0x53/0x70 fs/namei.c:1707
 walk_component+0x2d0/0x400 fs/namei.c:1998
 lookup_last fs/namei.c:2455 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2479
 filename_lookup+0x251/0x600 fs/namei.c:2508
 user_path_at_empty+0x3e/0x60 fs/namei.c:2907
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3391 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x296/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f666947de69
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:00007f666a2900c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f66695abf80 RCX: 00007f666947de69
RDX: 0000000000000000 RSI: 0000000020001040 RDI: 0000000000000000
RBP: 00007f66694ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f66695abf80 R15: 00007fff73137f78
 </TASK>
syz-executor.0: attempt to access beyond end of device
loop0: rw=0, sector=6491548, nr_sectors = 2 limit=128
Buffer I/O error on dev loop0, logical block 3245774, async page read
Buffer I/O error on dev loop0, logical block 8834939, async page read
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7975, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.0/7975:
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
 #1: ffffffff8d3f1f18 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 7975 Comm: syz-executor.0 Tainted: G        W          6.1.85-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106
 __might_resched+0x5cb/0x780 kernel/sched/core.c:9942
 __getblk_gfp+0x41/0xa20 fs/buffer.c:1331
 __bread_gfp+0x2a/0x370 fs/buffer.c:1367
 sb_bread include/linux/buffer_head.h:338 [inline]
 get_branch+0x2af/0x660 fs/sysv/itree.c:104
 get_block+0x181/0x1750 fs/sysv/itree.c:222
 block_read_full_folio+0x403/0xf60 fs/buffer.c:2271
 filemap_read_folio+0x199/0x780 mm/filemap.c:2461
 do_read_cache_folio+0x2ee/0x810 mm/filemap.c:3598
 do_read_cache_page+0x32/0x220 mm/filemap.c:3640
 read_mapping_page include/linux/pagemap.h:791 [inline]
 dir_get_page fs/sysv/dir.c:58 [inline]
 sysv_find_entry+0x1b3/0x420 fs/sysv/dir.c:146
 sysv_inode_by_name+0x94/0x1f0 fs/sysv/dir.c:360
 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38
 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690
 lookup_slow+0x53/0x70 fs/namei.c:1707
 walk_component+0x2d0/0x400 fs/namei.c:1998
 lookup_last fs/namei.c:2455 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2479
 filename_lookup+0x251/0x600 fs/namei.c:2508
 user_path_at_empty+0x3e/0x60 fs/namei.c:2907
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3391 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x296/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f666947de69
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:00007f666a2900c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f66695abf80 RCX: 00007f666947de69
RDX: 0000000000000000 RSI: 0000000020001040 RDI: 0000000000000000
RBP: 00007f66694ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f66695abf80 R15: 00007fff73137f78
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7975, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.0/7975:
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
 #1: ffffffff8d3f1f18 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 7975 Comm: syz-executor.0 Tainted: G        W          6.1.85-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106
 __might_resched+0x5cb/0x780 kernel/sched/core.c:9942
 __getblk_gfp+0x41/0xa20 fs/buffer.c:1331
 __bread_gfp+0x2a/0x370 fs/buffer.c:1367
 sb_bread include/linux/buffer_head.h:338 [inline]
 get_branch+0x2af/0x660 fs/sysv/itree.c:104
 get_block+0x181/0x1750 fs/sysv/itree.c:222
 block_read_full_folio+0x403/0xf60 fs/buffer.c:2271
 filemap_read_folio+0x199/0x780 mm/filemap.c:2461
 do_read_cache_folio+0x2ee/0x810 mm/filemap.c:3598
 do_read_cache_page+0x32/0x220 mm/filemap.c:3640
 read_mapping_page include/linux/pagemap.h:791 [inline]
 dir_get_page fs/sysv/dir.c:58 [inline]
 sysv_find_entry+0x1b3/0x420 fs/sysv/dir.c:146
 sysv_inode_by_name+0x94/0x1f0 fs/sysv/dir.c:360
 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38
 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690
 lookup_slow+0x53/0x70 fs/namei.c:1707
 walk_component+0x2d0/0x400 fs/namei.c:1998
 lookup_last fs/namei.c:2455 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2479
 filename_lookup+0x251/0x600 fs/namei.c:2508
 user_path_at_empty+0x3e/0x60 fs/namei.c:2907
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3391 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x296/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f666947de69
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:00007f666a2900c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f66695abf80 RCX: 00007f666947de69
RDX: 0000000000000000 RSI: 0000000020001040 RDI: 0000000000000000
RBP: 00007f66694ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f66695abf80 R15: 00007fff73137f78
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7975, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.0/7975:
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
 #1: ffffffff8d3f1f18 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 7975 Comm: syz-executor.0 Tainted: G        W          6.1.85-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106
 __might_resched+0x5cb/0x780 kernel/sched/core.c:9942
 __getblk_gfp+0x41/0xa20 fs/buffer.c:1331
 __bread_gfp+0x2a/0x370 fs/buffer.c:1367
 sb_bread include/linux/buffer_head.h:338 [inline]
 get_branch+0x2af/0x660 fs/sysv/itree.c:104
 get_block+0x181/0x1750 fs/sysv/itree.c:222
 block_read_full_folio+0x403/0xf60 fs/buffer.c:2271
 filemap_read_folio+0x199/0x780 mm/filemap.c:2461
 do_read_cache_folio+0x2ee/0x810 mm/filemap.c:3598
 do_read_cache_page+0x32/0x220 mm/filemap.c:3640
 read_mapping_page include/linux/pagemap.h:791 [inline]
 dir_get_page fs/sysv/dir.c:58 [inline]
 sysv_find_entry+0x1b3/0x420 fs/sysv/dir.c:146
 sysv_inode_by_name+0x94/0x1f0 fs/sysv/dir.c:360
 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38
 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690
 lookup_slow+0x53/0x70 fs/namei.c:1707
 walk_component+0x2d0/0x400 fs/namei.c:1998
 lookup_last fs/namei.c:2455 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2479
 filename_lookup+0x251/0x600 fs/namei.c:2508
 user_path_at_empty+0x3e/0x60 fs/namei.c:2907
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3391 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x296/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f666947de69
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:00007f666a2900c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f66695abf80 RCX: 00007f666947de69
RDX: 0000000000000000 RSI: 0000000020001040 RDI: 0000000000000000
RBP: 00007f66694ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f66695abf80 R15: 00007fff73137f78
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7975, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.0/7975:
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
 #1: ffffffff8d3f1f18 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 7975 Comm: syz-executor.0 Tainted: G        W          6.1.85-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106
 __might_resched+0x5cb/0x780 kernel/sched/core.c:9942
 __getblk_gfp+0x41/0xa20 fs/buffer.c:1331
 __bread_gfp+0x2a/0x370 fs/buffer.c:1367
 sb_bread include/linux/buffer_head.h:338 [inline]
 get_branch+0x2af/0x660 fs/sysv/itree.c:104
 get_block+0x181/0x1750 fs/sysv/itree.c:222
 block_read_full_folio+0x403/0xf60 fs/buffer.c:2271
 filemap_read_folio+0x199/0x780 mm/filemap.c:2461
 do_read_cache_folio+0x2ee/0x810 mm/filemap.c:3598
 do_read_cache_page+0x32/0x220 mm/filemap.c:3640
 read_mapping_page include/linux/pagemap.h:791 [inline]
 dir_get_page fs/sysv/dir.c:58 [inline]
 sysv_find_entry+0x1b3/0x420 fs/sysv/dir.c:146
 sysv_inode_by_name+0x94/0x1f0 fs/sysv/dir.c:360
 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38
 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690
 lookup_slow+0x53/0x70 fs/namei.c:1707
 walk_component+0x2d0/0x400 fs/namei.c:1998
 lookup_last fs/namei.c:2455 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2479
 filename_lookup+0x251/0x600 fs/namei.c:2508
 user_path_at_empty+0x3e/0x60 fs/namei.c:2907
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3391 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x296/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f666947de69
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:00007f666a2900c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f66695abf80 RCX: 00007f666947de69
RDX: 0000000000000000 RSI: 0000000020001040 RDI: 0000000000000000
RBP: 00007f66694ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f66695abf80 R15: 00007fff73137f78
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7975, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.0/7975:
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
 #1: ffffffff8d3f1f18 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 7975 Comm: syz-executor.0 Tainted: G        W          6.1.85-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106
 __might_resched+0x5cb/0x780 kernel/sched/core.c:9942
 __getblk_gfp+0x41/0xa20 fs/buffer.c:1331
 __bread_gfp+0x2a/0x370 fs/buffer.c:1367
 sb_bread include/linux/buffer_head.h:338 [inline]
 get_branch+0x2af/0x660 fs/sysv/itree.c:104
 get_block+0x181/0x1750 fs/sysv/itree.c:222
 block_read_full_folio+0x403/0xf60 fs/buffer.c:2271
 filemap_read_folio+0x199/0x780 mm/filemap.c:2461
 do_read_cache_folio+0x2ee/0x810 mm/filemap.c:3598
 do_read_cache_page+0x32/0x220 mm/filemap.c:3640
 read_mapping_page include/linux/pagemap.h:791 [inline]
 dir_get_page fs/sysv/dir.c:58 [inline]
 sysv_find_entry+0x1b3/0x420 fs/sysv/dir.c:146
 sysv_inode_by_name+0x94/0x1f0 fs/sysv/dir.c:360
 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38
 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690
 lookup_slow+0x53/0x70 fs/namei.c:1707
 walk_component+0x2d0/0x400 fs/namei.c:1998
 lookup_last fs/namei.c:2455 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2479
 filename_lookup+0x251/0x600 fs/namei.c:2508
 user_path_at_empty+0x3e/0x60 fs/namei.c:2907
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3391 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x296/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f666947de69
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:00007f666a2900c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f66695abf80 RCX: 00007f666947de69
RDX: 0000000000000000 RSI: 0000000020001040 RDI: 0000000000000000
RBP: 00007f66694ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f66695abf80 R15: 00007fff73137f78
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7975, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.0/7975:
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
 #1: ffffffff8d3f1f18 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 7975 Comm: syz-executor.0 Tainted: G        W          6.1.85-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106
 __might_resched+0x5cb/0x780 kernel/sched/core.c:9942
 __getblk_gfp+0x41/0xa20 fs/buffer.c:1331
 __bread_gfp+0x2a/0x370 fs/buffer.c:1367
 sb_bread include/linux/buffer_head.h:338 [inline]
 get_branch+0x2af/0x660 fs/sysv/itree.c:104
 get_block+0x181/0x1750 fs/sysv/itree.c:222
 block_read_full_folio+0x403/0xf60 fs/buffer.c:2271
 filemap_read_folio+0x199/0x780 mm/filemap.c:2461
 do_read_cache_folio+0x2ee/0x810 mm/filemap.c:3598
 do_read_cache_page+0x32/0x220 mm/filemap.c:3640
 read_mapping_page include/linux/pagemap.h:791 [inline]
 dir_get_page fs/sysv/dir.c:58 [inline]
 sysv_find_entry+0x1b3/0x420 fs/sysv/dir.c:146
 sysv_inode_by_name+0x94/0x1f0 fs/sysv/dir.c:360
 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38
 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690
 lookup_slow+0x53/0x70 fs/namei.c:1707
 walk_component+0x2d0/0x400 fs/namei.c:1998
 lookup_last fs/namei.c:2455 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2479
 filename_lookup+0x251/0x600 fs/namei.c:2508
 user_path_at_empty+0x3e/0x60 fs/namei.c:2907
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3391 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x296/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f666947de69
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:00007f666a2900c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f66695abf80 RCX: 00007f666947de69
RDX: 0000000000000000 RSI: 0000000020001040 RDI: 0000000000000000
RBP: 00007f66694ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f66695abf80 R15: 00007fff73137f78
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7975, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.0/7975:
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
 #1: ffffffff8d3f1f18 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 7975 Comm: syz-executor.0 Tainted: G        W          6.1.85-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106
 __might_resched+0x5cb/0x780 kernel/sched/core.c:9942
 __getblk_gfp+0x41/0xa20 fs/buffer.c:1331
 __bread_gfp+0x2a/0x370 fs/buffer.c:1367
 sb_bread include/linux/buffer_head.h:338 [inline]
 get_branch+0x2af/0x660 fs/sysv/itree.c:104
 get_block+0x181/0x1750 fs/sysv/itree.c:222
 block_read_full_folio+0x403/0xf60 fs/buffer.c:2271
 filemap_read_folio+0x199/0x780 mm/filemap.c:2461
 do_read_cache_folio+0x2ee/0x810 mm/filemap.c:3598
 do_read_cache_page+0x32/0x220 mm/filemap.c:3640
 read_mapping_page include/linux/pagemap.h:791 [inline]
 dir_get_page fs/sysv/dir.c:58 [inline]
 sysv_find_entry+0x1b3/0x420 fs/sysv/dir.c:146
 sysv_inode_by_name+0x94/0x1f0 fs/sysv/dir.c:360
 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38
 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690
 lookup_slow+0x53/0x70 fs/namei.c:1707
 walk_component+0x2d0/0x400 fs/namei.c:1998
 lookup_last fs/namei.c:2455 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2479
 filename_lookup+0x251/0x600 fs/namei.c:2508
 user_path_at_empty+0x3e/0x60 fs/namei.c:2907
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3391 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x296/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f666947de69
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:00007f666a2900c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f66695abf80 RCX: 00007f666947de69
RDX: 0000000000000000 RSI: 0000000020001040 RDI: 0000000000000000
RBP: 00007f66694ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f66695abf80 R15: 00007fff73137f78
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7975, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.0/7975:
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
 #1: ffffffff8d3f1f18 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 7975 Comm: syz-executor.0 Tainted: G        W          6.1.85-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106
 __might_resched+0x5cb/0x780 kernel/sched/core.c:9942
 __getblk_gfp+0x41/0xa20 fs/buffer.c:1331
 __bread_gfp+0x2a/0x370 fs/buffer.c:1367
 sb_bread include/linux/buffer_head.h:338 [inline]
 get_branch+0x2af/0x660 fs/sysv/itree.c:104
 get_block+0x181/0x1750 fs/sysv/itree.c:222
 block_read_full_folio+0x403/0xf60 fs/buffer.c:2271
 filemap_read_folio+0x199/0x780 mm/filemap.c:2461
 do_read_cache_folio+0x2ee/0x810 mm/filemap.c:3598
 do_read_cache_page+0x32/0x220 mm/filemap.c:3640
 read_mapping_page include/linux/pagemap.h:791 [inline]
 dir_get_page fs/sysv/dir.c:58 [inline]
 sysv_find_entry+0x1b3/0x420 fs/sysv/dir.c:146
 sysv_inode_by_name+0x94/0x1f0 fs/sysv/dir.c:360
 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38
 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690
 lookup_slow+0x53/0x70 fs/namei.c:1707
 walk_component+0x2d0/0x400 fs/namei.c:1998
 lookup_last fs/namei.c:2455 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2479
 filename_lookup+0x251/0x600 fs/namei.c:2508
 user_path_at_empty+0x3e/0x60 fs/namei.c:2907
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3391 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x296/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f666947de69
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:00007f666a2900c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f66695abf80 RCX: 00007f666947de69
RDX: 0000000000000000 RSI: 0000000020001040 RDI: 0000000000000000
RBP: 00007f66694ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f66695abf80 R15: 00007fff73137f78
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7975, name: syz-executor.0
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.0/7975:
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:768 [inline]
 #0: ffff8880581f0188 (&type->i_mutex_dir_key#24){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1706
 #1: ffffffff8d3f1f18 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 7975 Comm: syz-executor.0 Tainted: G        W          6.1.85-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106
 __might_resched+0x5cb/0x780 kernel/sched/core.c:9942
 __getblk_gfp+0x41/0xa20 fs/buffer.c:1331
 __bread_gfp+0x2a/0x370 fs/buffer.c:1367
 sb_bread include/linux/buffer_head.h:338 [inline]
 get_branch+0x2af/0x660 fs/sysv/itree.c:104
 get_block+0x181/0x1750 fs/sysv/itree.c:222
 block_read_full_folio+0x403/0xf60 fs/buffer.c:2271
 filemap_read_folio+0x199/0x780 mm/filemap.c:2461
 do_read_cache_folio+0x2ee/0x810 mm/filemap.c:3598
 do_read_cache_page+0x32/0x220 mm/filemap.c:3640
 read_mapping_page include/linux/pagemap.h:791 [inline]
 dir_get_page fs/sysv/dir.c:58 [inline]
 sysv_find_entry+0x1b3/0x420 fs/sysv/dir.c:146
 sysv_inode_by_name+0x94/0x1f0 fs/sysv/dir.c:360
 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38
 __lookup_slow+0x27e/0x3d0 fs/namei.c:1690
 lookup_slow+0x53/0x70 fs/namei.c:1707
 walk_component+0x2d0/0x400 fs/namei.c:1998
 lookup_last fs/namei.c:2455 [inline]
 path_lookupat+0x16f/0x450 fs/namei.c:2479
 filename_lookup+0x251/0x600 fs/namei.c:2508
 user_path_at_empty+0x3e/0x60 fs/namei.c:2907
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3391 [inline]
 __do_sys_mount fs/namespace.c:3602 [inline]
 __se_sys_mount+0x296/0x3c0 fs/namespace.c:3579
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7f666947de69
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:00007f666a2900c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f66695abf80 RCX: 00007f666947de69
RDX: 0000000000000000 RSI: 0000000020001040 RDI: 0000000000000000
RBP: 00007f66694ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f66695abf80 R15: 00007fff73137f78
 </TASK>