syz-executor.2: attempt to access beyond end of device
loop2: rw=0, sector=8073605, nr_sectors = 1 limit=128
Buffer I/O error on dev loop2, logical block 8073605, async page read
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7065, name: syz-executor.2
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.2/7065:
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: lookup_slow fs/namei.c:1709 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: walk_component+0x33b/0x5a0 fs/namei.c:2001
 #1: ffffffff8cfc78d8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 7065 Comm: syz-executor.2 Not tainted 6.6.0-rc4-syzkaller-00158-gf291209eca5e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157
 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374
 sysv_lookup fs/sysv/namei.c:38 [inline]
 sysv_lookup+0x88/0x100 fs/sysv/namei.c:31
 __lookup_slow+0x24d/0x450 fs/namei.c:1693
 lookup_slow fs/namei.c:1710 [inline]
 walk_component+0x349/0x5a0 fs/namei.c:2001
 lookup_last fs/namei.c:2458 [inline]
 path_lookupat+0x17f/0x770 fs/namei.c:2482
 filename_lookup+0x1e7/0x5b0 fs/namei.c:2511
 user_path_at_empty+0x42/0x60 fs/namei.c:2910
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3672 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x1ff/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f50e147cae9
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:00007f50e21460c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f50e159bf80 RCX: 00007f50e147cae9
RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f50e14c847a R08: 0000000020000080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f50e159bf80 R15: 00007ffe6aa94c08
 </TASK>
syz-executor.2: attempt to access beyond end of device
loop2: rw=0, sector=3245518, nr_sectors = 1 limit=128
Buffer I/O error on dev loop2, logical block 3245518, async page read
syz-executor.2: attempt to access beyond end of device
loop2: rw=0, sector=8769403, nr_sectors = 1 limit=128
Buffer I/O error on dev loop2, logical block 8769403, async page read
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7065, name: syz-executor.2
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.2/7065:
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: lookup_slow fs/namei.c:1709 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: walk_component+0x33b/0x5a0 fs/namei.c:2001
 #1: ffffffff8cfc78d8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 7065 Comm: syz-executor.2 Tainted: G        W          6.6.0-rc4-syzkaller-00158-gf291209eca5e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157
 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374
 sysv_lookup fs/sysv/namei.c:38 [inline]
 sysv_lookup+0x88/0x100 fs/sysv/namei.c:31
 __lookup_slow+0x24d/0x450 fs/namei.c:1693
 lookup_slow fs/namei.c:1710 [inline]
 walk_component+0x349/0x5a0 fs/namei.c:2001
 lookup_last fs/namei.c:2458 [inline]
 path_lookupat+0x17f/0x770 fs/namei.c:2482
 filename_lookup+0x1e7/0x5b0 fs/namei.c:2511
 user_path_at_empty+0x42/0x60 fs/namei.c:2910
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3672 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x1ff/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f50e147cae9
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:00007f50e21460c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f50e159bf80 RCX: 00007f50e147cae9
RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f50e14c847a R08: 0000000020000080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f50e159bf80 R15: 00007ffe6aa94c08
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7065, name: syz-executor.2
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.2/7065:
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: lookup_slow fs/namei.c:1709 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: walk_component+0x33b/0x5a0 fs/namei.c:2001
 #1: ffffffff8cfc78d8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 7065 Comm: syz-executor.2 Tainted: G        W          6.6.0-rc4-syzkaller-00158-gf291209eca5e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157
 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374
 sysv_lookup fs/sysv/namei.c:38 [inline]
 sysv_lookup+0x88/0x100 fs/sysv/namei.c:31
 __lookup_slow+0x24d/0x450 fs/namei.c:1693
 lookup_slow fs/namei.c:1710 [inline]
 walk_component+0x349/0x5a0 fs/namei.c:2001
 lookup_last fs/namei.c:2458 [inline]
 path_lookupat+0x17f/0x770 fs/namei.c:2482
 filename_lookup+0x1e7/0x5b0 fs/namei.c:2511
 user_path_at_empty+0x42/0x60 fs/namei.c:2910
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3672 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x1ff/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f50e147cae9
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:00007f50e21460c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f50e159bf80 RCX: 00007f50e147cae9
RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f50e14c847a R08: 0000000020000080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f50e159bf80 R15: 00007ffe6aa94c08
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7065, name: syz-executor.2
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.2/7065:
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: lookup_slow fs/namei.c:1709 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: walk_component+0x33b/0x5a0 fs/namei.c:2001
 #1: ffffffff8cfc78d8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 7065 Comm: syz-executor.2 Tainted: G        W          6.6.0-rc4-syzkaller-00158-gf291209eca5e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157
 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374
 sysv_lookup fs/sysv/namei.c:38 [inline]
 sysv_lookup+0x88/0x100 fs/sysv/namei.c:31
 __lookup_slow+0x24d/0x450 fs/namei.c:1693
 lookup_slow fs/namei.c:1710 [inline]
 walk_component+0x349/0x5a0 fs/namei.c:2001
 lookup_last fs/namei.c:2458 [inline]
 path_lookupat+0x17f/0x770 fs/namei.c:2482
 filename_lookup+0x1e7/0x5b0 fs/namei.c:2511
 user_path_at_empty+0x42/0x60 fs/namei.c:2910
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3672 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x1ff/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f50e147cae9
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:00007f50e21460c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f50e159bf80 RCX: 00007f50e147cae9
RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f50e14c847a R08: 0000000020000080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f50e159bf80 R15: 00007ffe6aa94c08
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7065, name: syz-executor.2
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.2/7065:
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: lookup_slow fs/namei.c:1709 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: walk_component+0x33b/0x5a0 fs/namei.c:2001
 #1: ffffffff8cfc78d8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 7065 Comm: syz-executor.2 Tainted: G        W          6.6.0-rc4-syzkaller-00158-gf291209eca5e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157
 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374
 sysv_lookup fs/sysv/namei.c:38 [inline]
 sysv_lookup+0x88/0x100 fs/sysv/namei.c:31
 __lookup_slow+0x24d/0x450 fs/namei.c:1693
 lookup_slow fs/namei.c:1710 [inline]
 walk_component+0x349/0x5a0 fs/namei.c:2001
 lookup_last fs/namei.c:2458 [inline]
 path_lookupat+0x17f/0x770 fs/namei.c:2482
 filename_lookup+0x1e7/0x5b0 fs/namei.c:2511
 user_path_at_empty+0x42/0x60 fs/namei.c:2910
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3672 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x1ff/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f50e147cae9
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:00007f50e21460c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f50e159bf80 RCX: 00007f50e147cae9
RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f50e14c847a R08: 0000000020000080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f50e159bf80 R15: 00007ffe6aa94c08
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7065, name: syz-executor.2
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.2/7065:
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: lookup_slow fs/namei.c:1709 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: walk_component+0x33b/0x5a0 fs/namei.c:2001
 #1: ffffffff8cfc78d8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 7065 Comm: syz-executor.2 Tainted: G        W          6.6.0-rc4-syzkaller-00158-gf291209eca5e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157
 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374
 sysv_lookup fs/sysv/namei.c:38 [inline]
 sysv_lookup+0x88/0x100 fs/sysv/namei.c:31
 __lookup_slow+0x24d/0x450 fs/namei.c:1693
 lookup_slow fs/namei.c:1710 [inline]
 walk_component+0x349/0x5a0 fs/namei.c:2001
 lookup_last fs/namei.c:2458 [inline]
 path_lookupat+0x17f/0x770 fs/namei.c:2482
 filename_lookup+0x1e7/0x5b0 fs/namei.c:2511
 user_path_at_empty+0x42/0x60 fs/namei.c:2910
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3672 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x1ff/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f50e147cae9
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:00007f50e21460c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f50e159bf80 RCX: 00007f50e147cae9
RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f50e14c847a R08: 0000000020000080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f50e159bf80 R15: 00007ffe6aa94c08
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7065, name: syz-executor.2
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.2/7065:
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: lookup_slow fs/namei.c:1709 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: walk_component+0x33b/0x5a0 fs/namei.c:2001
 #1: ffffffff8cfc78d8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 7065 Comm: syz-executor.2 Tainted: G        W          6.6.0-rc4-syzkaller-00158-gf291209eca5e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157
 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374
 sysv_lookup fs/sysv/namei.c:38 [inline]
 sysv_lookup+0x88/0x100 fs/sysv/namei.c:31
 __lookup_slow+0x24d/0x450 fs/namei.c:1693
 lookup_slow fs/namei.c:1710 [inline]
 walk_component+0x349/0x5a0 fs/namei.c:2001
 lookup_last fs/namei.c:2458 [inline]
 path_lookupat+0x17f/0x770 fs/namei.c:2482
 filename_lookup+0x1e7/0x5b0 fs/namei.c:2511
 user_path_at_empty+0x42/0x60 fs/namei.c:2910
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3672 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x1ff/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f50e147cae9
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:00007f50e21460c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f50e159bf80 RCX: 00007f50e147cae9
RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f50e14c847a R08: 0000000020000080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f50e159bf80 R15: 00007ffe6aa94c08
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7065, name: syz-executor.2
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.2/7065:
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: lookup_slow fs/namei.c:1709 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: walk_component+0x33b/0x5a0 fs/namei.c:2001
 #1: ffffffff8cfc78d8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 7065 Comm: syz-executor.2 Tainted: G        W          6.6.0-rc4-syzkaller-00158-gf291209eca5e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157
 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374
 sysv_lookup fs/sysv/namei.c:38 [inline]
 sysv_lookup+0x88/0x100 fs/sysv/namei.c:31
 __lookup_slow+0x24d/0x450 fs/namei.c:1693
 lookup_slow fs/namei.c:1710 [inline]
 walk_component+0x349/0x5a0 fs/namei.c:2001
 lookup_last fs/namei.c:2458 [inline]
 path_lookupat+0x17f/0x770 fs/namei.c:2482
 filename_lookup+0x1e7/0x5b0 fs/namei.c:2511
 user_path_at_empty+0x42/0x60 fs/namei.c:2910
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3672 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x1ff/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f50e147cae9
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:00007f50e21460c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f50e159bf80 RCX: 00007f50e147cae9
RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f50e14c847a R08: 0000000020000080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f50e159bf80 R15: 00007ffe6aa94c08
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7065, name: syz-executor.2
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.2/7065:
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: lookup_slow fs/namei.c:1709 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: walk_component+0x33b/0x5a0 fs/namei.c:2001
 #1: ffffffff8cfc78d8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 7065 Comm: syz-executor.2 Tainted: G        W          6.6.0-rc4-syzkaller-00158-gf291209eca5e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157
 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374
 sysv_lookup fs/sysv/namei.c:38 [inline]
 sysv_lookup+0x88/0x100 fs/sysv/namei.c:31
 __lookup_slow+0x24d/0x450 fs/namei.c:1693
 lookup_slow fs/namei.c:1710 [inline]
 walk_component+0x349/0x5a0 fs/namei.c:2001
 lookup_last fs/namei.c:2458 [inline]
 path_lookupat+0x17f/0x770 fs/namei.c:2482
 filename_lookup+0x1e7/0x5b0 fs/namei.c:2511
 user_path_at_empty+0x42/0x60 fs/namei.c:2910
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3672 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x1ff/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f50e147cae9
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:00007f50e21460c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f50e159bf80 RCX: 00007f50e147cae9
RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f50e14c847a R08: 0000000020000080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f50e159bf80 R15: 00007ffe6aa94c08
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1437
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 7065, name: syz-executor.2
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
2 locks held by syz-executor.2/7065:
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:812 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: lookup_slow fs/namei.c:1709 [inline]
 #0: ffff888084910188 (&type->i_mutex_dir_key#12){.+.+}-{3:3}, at: walk_component+0x33b/0x5a0 fs/namei.c:2001
 #1: ffffffff8cfc78d8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 7065 Comm: syz-executor.2 Tainted: G        W          6.6.0-rc4-syzkaller-00158-gf291209eca5e #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023
Call Trace:
 <TASK>
 __dump_stack lib/dump_stack.c:88 [inline]
 dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106
 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187
 __getblk_gfp fs/buffer.c:1437 [inline]
 __bread_gfp+0x3f/0x310 fs/buffer.c:1473
 sb_bread include/linux/buffer_head.h:326 [inline]
 get_branch+0x2cb/0x660 fs/sysv/itree.c:104
 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222
 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400
 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382
 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742
 do_read_cache_page mm/filemap.c:3808 [inline]
 read_cache_page+0x5b/0x230 mm/filemap.c:3817
 read_mapping_page include/linux/pagemap.h:860 [inline]
 dir_get_page fs/sysv/dir.c:64 [inline]
 sysv_find_entry+0x1db/0x480 fs/sysv/dir.c:157
 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374
 sysv_lookup fs/sysv/namei.c:38 [inline]
 sysv_lookup+0x88/0x100 fs/sysv/namei.c:31
 __lookup_slow+0x24d/0x450 fs/namei.c:1693
 lookup_slow fs/namei.c:1710 [inline]
 walk_component+0x349/0x5a0 fs/namei.c:2001
 lookup_last fs/namei.c:2458 [inline]
 path_lookupat+0x17f/0x770 fs/namei.c:2482
 filename_lookup+0x1e7/0x5b0 fs/namei.c:2511
 user_path_at_empty+0x42/0x60 fs/namei.c:2910
 user_path_at include/linux/namei.h:57 [inline]
 do_mount fs/namespace.c:3672 [inline]
 __do_sys_mount fs/namespace.c:3884 [inline]
 __se_sys_mount fs/namespace.c:3861 [inline]
 __x64_sys_mount+0x1ff/0x310 fs/namespace.c:3861
 do_syscall_x64 arch/x86/entry/common.c:50 [inline]
 do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7f50e147cae9
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:00007f50e21460c8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007f50e159bf80 RCX: 00007f50e147cae9
RDX: 00000000200001c0 RSI: 0000000020000040 RDI: 0000000000000000
RBP: 00007f50e14c847a R08: 0000000020000080 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007f50e159bf80 R15: 00007ffe6aa94c08
 </TASK>