Buffer I/O error on dev loop4, 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: 6894, name: syz-executor.4
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.4/6894:
 #0: ffff88805aece460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 fs/namei.c:3878
 #2: ffffffff8d3f1c58 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 6894 Comm: syz-executor.4 Not tainted 6.1.84-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_one_qstr_excl+0x117/0x240 fs/namei.c:1605
 filename_create+0x293/0x530 fs/namei.c:3879
 do_mkdirat+0xba/0x360 fs/namei.c:4123
 __do_sys_mkdir fs/namei.c:4153 [inline]
 __se_sys_mkdir fs/namei.c:4151 [inline]
 __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4151
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbf5c87de69
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:00007fbf5d6b10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fbf5c9abf80 RCX: 00007fbf5c87de69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007fbf5c8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbf5c9abf80 R15: 00007fff6707aec8
 </TASK>
syz-executor.4: attempt to access beyond end of device
loop4: rw=0, sector=6491548, nr_sectors = 2 limit=128
Buffer I/O error on dev loop4, logical block 3245774, async page read
syz-executor.4: attempt to access beyond end of device
loop4: rw=0, sector=17669878, nr_sectors = 2 limit=128
Buffer I/O error on dev loop4, 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: 6894, name: syz-executor.4
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.4/6894:
 #0: ffff88805aece460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 fs/namei.c:3878
 #2: ffffffff8d3f1c58 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 6894 Comm: syz-executor.4 Tainted: G        W          6.1.84-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_one_qstr_excl+0x117/0x240 fs/namei.c:1605
 filename_create+0x293/0x530 fs/namei.c:3879
 do_mkdirat+0xba/0x360 fs/namei.c:4123
 __do_sys_mkdir fs/namei.c:4153 [inline]
 __se_sys_mkdir fs/namei.c:4151 [inline]
 __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4151
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbf5c87de69
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:00007fbf5d6b10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fbf5c9abf80 RCX: 00007fbf5c87de69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007fbf5c8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbf5c9abf80 R15: 00007fff6707aec8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6894, name: syz-executor.4
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.4/6894:
 #0: ffff88805aece460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 fs/namei.c:3878
 #2: ffffffff8d3f1c58 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 6894 Comm: syz-executor.4 Tainted: G        W          6.1.84-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_one_qstr_excl+0x117/0x240 fs/namei.c:1605
 filename_create+0x293/0x530 fs/namei.c:3879
 do_mkdirat+0xba/0x360 fs/namei.c:4123
 __do_sys_mkdir fs/namei.c:4153 [inline]
 __se_sys_mkdir fs/namei.c:4151 [inline]
 __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4151
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbf5c87de69
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:00007fbf5d6b10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fbf5c9abf80 RCX: 00007fbf5c87de69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007fbf5c8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbf5c9abf80 R15: 00007fff6707aec8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6894, name: syz-executor.4
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.4/6894:
 #0: ffff88805aece460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 fs/namei.c:3878
 #2: ffffffff8d3f1c58 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 6894 Comm: syz-executor.4 Tainted: G        W          6.1.84-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_one_qstr_excl+0x117/0x240 fs/namei.c:1605
 filename_create+0x293/0x530 fs/namei.c:3879
 do_mkdirat+0xba/0x360 fs/namei.c:4123
 __do_sys_mkdir fs/namei.c:4153 [inline]
 __se_sys_mkdir fs/namei.c:4151 [inline]
 __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4151
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbf5c87de69
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:00007fbf5d6b10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fbf5c9abf80 RCX: 00007fbf5c87de69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007fbf5c8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbf5c9abf80 R15: 00007fff6707aec8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6894, name: syz-executor.4
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.4/6894:
 #0: ffff88805aece460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 fs/namei.c:3878
 #2: ffffffff8d3f1c58 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 6894 Comm: syz-executor.4 Tainted: G        W          6.1.84-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_one_qstr_excl+0x117/0x240 fs/namei.c:1605
 filename_create+0x293/0x530 fs/namei.c:3879
 do_mkdirat+0xba/0x360 fs/namei.c:4123
 __do_sys_mkdir fs/namei.c:4153 [inline]
 __se_sys_mkdir fs/namei.c:4151 [inline]
 __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4151
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbf5c87de69
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:00007fbf5d6b10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fbf5c9abf80 RCX: 00007fbf5c87de69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007fbf5c8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbf5c9abf80 R15: 00007fff6707aec8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6894, name: syz-executor.4
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.4/6894:
 #0: ffff88805aece460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 fs/namei.c:3878
 #2: ffffffff8d3f1c58 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 0 PID: 6894 Comm: syz-executor.4 Tainted: G        W          6.1.84-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_one_qstr_excl+0x117/0x240 fs/namei.c:1605
 filename_create+0x293/0x530 fs/namei.c:3879
 do_mkdirat+0xba/0x360 fs/namei.c:4123
 __do_sys_mkdir fs/namei.c:4153 [inline]
 __se_sys_mkdir fs/namei.c:4151 [inline]
 __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4151
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbf5c87de69
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:00007fbf5d6b10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fbf5c9abf80 RCX: 00007fbf5c87de69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007fbf5c8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbf5c9abf80 R15: 00007fff6707aec8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6894, name: syz-executor.4
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.4/6894:
 #0: ffff88805aece460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 fs/namei.c:3878
 #2: ffffffff8d3f1c58 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 6894 Comm: syz-executor.4 Tainted: G        W          6.1.84-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_one_qstr_excl+0x117/0x240 fs/namei.c:1605
 filename_create+0x293/0x530 fs/namei.c:3879
 do_mkdirat+0xba/0x360 fs/namei.c:4123
 __do_sys_mkdir fs/namei.c:4153 [inline]
 __se_sys_mkdir fs/namei.c:4151 [inline]
 __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4151
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbf5c87de69
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:00007fbf5d6b10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fbf5c9abf80 RCX: 00007fbf5c87de69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007fbf5c8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbf5c9abf80 R15: 00007fff6707aec8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6894, name: syz-executor.4
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.4/6894:
 #0: ffff88805aece460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 fs/namei.c:3878
 #2: ffffffff8d3f1c58 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 6894 Comm: syz-executor.4 Tainted: G        W          6.1.84-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_one_qstr_excl+0x117/0x240 fs/namei.c:1605
 filename_create+0x293/0x530 fs/namei.c:3879
 do_mkdirat+0xba/0x360 fs/namei.c:4123
 __do_sys_mkdir fs/namei.c:4153 [inline]
 __se_sys_mkdir fs/namei.c:4151 [inline]
 __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4151
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbf5c87de69
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:00007fbf5d6b10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fbf5c9abf80 RCX: 00007fbf5c87de69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007fbf5c8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbf5c9abf80 R15: 00007fff6707aec8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6894, name: syz-executor.4
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.4/6894:
 #0: ffff88805aece460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 fs/namei.c:3878
 #2: ffffffff8d3f1c58 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 6894 Comm: syz-executor.4 Tainted: G        W          6.1.84-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_one_qstr_excl+0x117/0x240 fs/namei.c:1605
 filename_create+0x293/0x530 fs/namei.c:3879
 do_mkdirat+0xba/0x360 fs/namei.c:4123
 __do_sys_mkdir fs/namei.c:4153 [inline]
 __se_sys_mkdir fs/namei.c:4151 [inline]
 __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4151
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbf5c87de69
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:00007fbf5d6b10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fbf5c9abf80 RCX: 00007fbf5c87de69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007fbf5c8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbf5c9abf80 R15: 00007fff6707aec8
 </TASK>
BUG: sleeping function called from invalid context at fs/buffer.c:1331
in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 6894, name: syz-executor.4
preempt_count: 1, expected: 0
RCU nest depth: 0, expected: 0
3 locks held by syz-executor.4/6894:
 #0: ffff88805aece460 (sb_writers#28){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:393
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:793 [inline]
 #1: ffff888070c44188 (&type->i_mutex_dir_key#19/1){+.+.}-{3:3}, at: filename_create+0x25c/0x530 fs/namei.c:3878
 #2: ffffffff8d3f1c58 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221
Preemption disabled at:
[<0000000000000000>] 0x0
CPU: 1 PID: 6894 Comm: syz-executor.4 Tainted: G        W          6.1.84-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_one_qstr_excl+0x117/0x240 fs/namei.c:1605
 filename_create+0x293/0x530 fs/namei.c:3879
 do_mkdirat+0xba/0x360 fs/namei.c:4123
 __do_sys_mkdir fs/namei.c:4153 [inline]
 __se_sys_mkdir fs/namei.c:4151 [inline]
 __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4151
 do_syscall_x64 arch/x86/entry/common.c:51 [inline]
 do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:81
 entry_SYSCALL_64_after_hwframe+0x63/0xcd
RIP: 0033:0x7fbf5c87de69
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:00007fbf5d6b10c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053
RAX: ffffffffffffffda RBX: 00007fbf5c9abf80 RCX: 00007fbf5c87de69
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000180
RBP: 00007fbf5c8ca47a R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 000000000000000b R14: 00007fbf5c9abf80 R15: 00007fff6707aec8
 </TASK>