Buffer I/O error on dev loop0, logical block 8073605, async page read BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4867, name: syz-executor.0 3 locks held by syz-executor.0/4867: #0: ffff888088cae460 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: filename_create+0x256/0x530 fs/namei.c:3765 #2: ffffffff8cb94b18 (pointers_lock){.+.+}-{2:2}, at: get_block+0x15b/0x1690 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 4867 Comm: syz-executor.0 Not tainted 5.15.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9625 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x178/0x1690 fs/sysv/itree.c:218 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_hash+0x117/0x240 fs/namei.c:1560 filename_create+0x28d/0x530 fs/namei.c:3766 do_mkdirat+0xb3/0x520 fs/namei.c:4009 __do_sys_mkdir fs/namei.c:4039 [inline] __se_sys_mkdir fs/namei.c:4037 [inline] __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4037 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: 0033:0x7f8e19809ae9 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:00007f8e17d8b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f8e19928f80 RCX: 00007f8e19809ae9 RDX: 0000000000000000 RSI: 00000000000001a4 RDI: 0000000020000040 RBP: 00007f8e1985547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8e19928f80 R15: 00007ffe4db390b8 attempt to access beyond end of device loop0: rw=0, want=3245519, limit=128 Buffer I/O error on dev loop0, logical block 3245518, async page read attempt to access beyond end of device loop0: rw=0, want=8769404, limit=128 Buffer I/O error on dev loop0, logical block 8769403, async page read BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4867, name: syz-executor.0 3 locks held by syz-executor.0/4867: #0: ffff888088cae460 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: filename_create+0x256/0x530 fs/namei.c:3765 #2: ffffffff8cb94b18 (pointers_lock){.+.+}-{2:2}, at: get_block+0x15b/0x1690 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 4867 Comm: syz-executor.0 Tainted: G W 5.15.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9625 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x178/0x1690 fs/sysv/itree.c:218 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_hash+0x117/0x240 fs/namei.c:1560 filename_create+0x28d/0x530 fs/namei.c:3766 do_mkdirat+0xb3/0x520 fs/namei.c:4009 __do_sys_mkdir fs/namei.c:4039 [inline] __se_sys_mkdir fs/namei.c:4037 [inline] __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4037 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: 0033:0x7f8e19809ae9 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:00007f8e17d8b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f8e19928f80 RCX: 00007f8e19809ae9 RDX: 0000000000000000 RSI: 00000000000001a4 RDI: 0000000020000040 RBP: 00007f8e1985547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8e19928f80 R15: 00007ffe4db390b8 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4867, name: syz-executor.0 3 locks held by syz-executor.0/4867: #0: ffff888088cae460 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: filename_create+0x256/0x530 fs/namei.c:3765 #2: ffffffff8cb94b18 (pointers_lock){.+.+}-{2:2}, at: get_block+0x15b/0x1690 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 4867 Comm: syz-executor.0 Tainted: G W 5.15.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9625 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x178/0x1690 fs/sysv/itree.c:218 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_hash+0x117/0x240 fs/namei.c:1560 filename_create+0x28d/0x530 fs/namei.c:3766 do_mkdirat+0xb3/0x520 fs/namei.c:4009 __do_sys_mkdir fs/namei.c:4039 [inline] __se_sys_mkdir fs/namei.c:4037 [inline] __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4037 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: 0033:0x7f8e19809ae9 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:00007f8e17d8b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f8e19928f80 RCX: 00007f8e19809ae9 RDX: 0000000000000000 RSI: 00000000000001a4 RDI: 0000000020000040 RBP: 00007f8e1985547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8e19928f80 R15: 00007ffe4db390b8 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4867, name: syz-executor.0 3 locks held by syz-executor.0/4867: #0: ffff888088cae460 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: filename_create+0x256/0x530 fs/namei.c:3765 #2: ffffffff8cb94b18 (pointers_lock){.+.+}-{2:2}, at: get_block+0x15b/0x1690 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 4867 Comm: syz-executor.0 Tainted: G W 5.15.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9625 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x178/0x1690 fs/sysv/itree.c:218 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_hash+0x117/0x240 fs/namei.c:1560 filename_create+0x28d/0x530 fs/namei.c:3766 do_mkdirat+0xb3/0x520 fs/namei.c:4009 __do_sys_mkdir fs/namei.c:4039 [inline] __se_sys_mkdir fs/namei.c:4037 [inline] __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4037 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: 0033:0x7f8e19809ae9 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:00007f8e17d8b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f8e19928f80 RCX: 00007f8e19809ae9 RDX: 0000000000000000 RSI: 00000000000001a4 RDI: 0000000020000040 RBP: 00007f8e1985547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8e19928f80 R15: 00007ffe4db390b8 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4867, name: syz-executor.0 3 locks held by syz-executor.0/4867: #0: ffff888088cae460 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: filename_create+0x256/0x530 fs/namei.c:3765 #2: ffffffff8cb94b18 (pointers_lock){.+.+}-{2:2}, at: get_block+0x15b/0x1690 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 4867 Comm: syz-executor.0 Tainted: G W 5.15.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9625 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x178/0x1690 fs/sysv/itree.c:218 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_hash+0x117/0x240 fs/namei.c:1560 filename_create+0x28d/0x530 fs/namei.c:3766 do_mkdirat+0xb3/0x520 fs/namei.c:4009 __do_sys_mkdir fs/namei.c:4039 [inline] __se_sys_mkdir fs/namei.c:4037 [inline] __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4037 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: 0033:0x7f8e19809ae9 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:00007f8e17d8b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f8e19928f80 RCX: 00007f8e19809ae9 RDX: 0000000000000000 RSI: 00000000000001a4 RDI: 0000000020000040 RBP: 00007f8e1985547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8e19928f80 R15: 00007ffe4db390b8 BUG: sleeping function called from invalid context at include/linux/pagemap.h:623 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4867, name: syz-executor.0 3 locks held by syz-executor.0/4867: #0: ffff888088cae460 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: filename_create+0x256/0x530 fs/namei.c:3765 #2: ffffffff8cb94b18 (pointers_lock){.+.+}-{2:2}, at: get_block+0x15b/0x1690 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 4867 Comm: syz-executor.0 Tainted: G W 5.15.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9625 lock_page include/linux/pagemap.h:623 [inline] pagecache_get_page+0x4b9/0x1010 mm/filemap.c:1910 find_or_create_page include/linux/pagemap.h:420 [inline] grow_dev_page fs/buffer.c:949 [inline] grow_buffers fs/buffer.c:1014 [inline] __getblk_slow fs/buffer.c:1041 [inline] __getblk_gfp+0x22a/0xaf0 fs/buffer.c:1336 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x178/0x1690 fs/sysv/itree.c:218 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_hash+0x117/0x240 fs/namei.c:1560 filename_create+0x28d/0x530 fs/namei.c:3766 do_mkdirat+0xb3/0x520 fs/namei.c:4009 __do_sys_mkdir fs/namei.c:4039 [inline] __se_sys_mkdir fs/namei.c:4037 [inline] __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4037 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: 0033:0x7f8e19809ae9 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:00007f8e17d8b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f8e19928f80 RCX: 00007f8e19809ae9 RDX: 0000000000000000 RSI: 00000000000001a4 RDI: 0000000020000040 RBP: 00007f8e1985547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8e19928f80 R15: 00007ffe4db390b8 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4867, name: syz-executor.0 3 locks held by syz-executor.0/4867: #0: ffff888088cae460 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: filename_create+0x256/0x530 fs/namei.c:3765 #2: ffffffff8cb94b18 (pointers_lock){.+.+}-{2:2}, at: get_block+0x15b/0x1690 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 4867 Comm: syz-executor.0 Tainted: G W 5.15.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9625 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x178/0x1690 fs/sysv/itree.c:218 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_hash+0x117/0x240 fs/namei.c:1560 filename_create+0x28d/0x530 fs/namei.c:3766 do_mkdirat+0xb3/0x520 fs/namei.c:4009 __do_sys_mkdir fs/namei.c:4039 [inline] __se_sys_mkdir fs/namei.c:4037 [inline] __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4037 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: 0033:0x7f8e19809ae9 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:00007f8e17d8b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f8e19928f80 RCX: 00007f8e19809ae9 RDX: 0000000000000000 RSI: 00000000000001a4 RDI: 0000000020000040 RBP: 00007f8e1985547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8e19928f80 R15: 00007ffe4db390b8 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4867, name: syz-executor.0 3 locks held by syz-executor.0/4867: #0: ffff888088cae460 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: filename_create+0x256/0x530 fs/namei.c:3765 #2: ffffffff8cb94b18 (pointers_lock){.+.+}-{2:2}, at: get_block+0x15b/0x1690 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 4867 Comm: syz-executor.0 Tainted: G W 5.15.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9625 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x178/0x1690 fs/sysv/itree.c:218 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_hash+0x117/0x240 fs/namei.c:1560 filename_create+0x28d/0x530 fs/namei.c:3766 do_mkdirat+0xb3/0x520 fs/namei.c:4009 __do_sys_mkdir fs/namei.c:4039 [inline] __se_sys_mkdir fs/namei.c:4037 [inline] __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4037 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: 0033:0x7f8e19809ae9 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:00007f8e17d8b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f8e19928f80 RCX: 00007f8e19809ae9 RDX: 0000000000000000 RSI: 00000000000001a4 RDI: 0000000020000040 RBP: 00007f8e1985547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8e19928f80 R15: 00007ffe4db390b8 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4867, name: syz-executor.0 3 locks held by syz-executor.0/4867: #0: ffff888088cae460 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: filename_create+0x256/0x530 fs/namei.c:3765 #2: ffffffff8cb94b18 (pointers_lock){.+.+}-{2:2}, at: get_block+0x15b/0x1690 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 4867 Comm: syz-executor.0 Tainted: G W 5.15.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9625 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x178/0x1690 fs/sysv/itree.c:218 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_hash+0x117/0x240 fs/namei.c:1560 filename_create+0x28d/0x530 fs/namei.c:3766 do_mkdirat+0xb3/0x520 fs/namei.c:4009 __do_sys_mkdir fs/namei.c:4039 [inline] __se_sys_mkdir fs/namei.c:4037 [inline] __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4037 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: 0033:0x7f8e19809ae9 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:00007f8e17d8b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f8e19928f80 RCX: 00007f8e19809ae9 RDX: 0000000000000000 RSI: 00000000000001a4 RDI: 0000000020000040 RBP: 00007f8e1985547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8e19928f80 R15: 00007ffe4db390b8 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4867, name: syz-executor.0 3 locks held by syz-executor.0/4867: #0: ffff888088cae460 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: filename_create+0x256/0x530 fs/namei.c:3765 #2: ffffffff8cb94b18 (pointers_lock){.+.+}-{2:2}, at: get_block+0x15b/0x1690 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 4867 Comm: syz-executor.0 Tainted: G W 5.15.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9625 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x178/0x1690 fs/sysv/itree.c:218 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_hash+0x117/0x240 fs/namei.c:1560 filename_create+0x28d/0x530 fs/namei.c:3766 do_mkdirat+0xb3/0x520 fs/namei.c:4009 __do_sys_mkdir fs/namei.c:4039 [inline] __se_sys_mkdir fs/namei.c:4037 [inline] __x64_sys_mkdir+0x6a/0x80 fs/namei.c:4037 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: 0033:0x7f8e19809ae9 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:00007f8e17d8b0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f8e19928f80 RCX: 00007f8e19809ae9 RDX: 0000000000000000 RSI: 00000000000001a4 RDI: 0000000020000040 RBP: 00007f8e1985547a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f8e19928f80 R15: 00007ffe4db390b8 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4867, name: syz-executor.0 3 locks held by syz-executor.0/4867: #0: ffff888088cae460 (sb_writers#18){.+.+}-{0:0}, at: mnt_want_write+0x3b/0x80 fs/namespace.c:377 #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:822 [inline] #1: ffff8880951e0188 (&type->i_mutex_dir_key#11/1){+.+.}-{3:3}, at: filename_create+0x256/0x530 fs/namei.c:3765 #2: ffffffff8cb94b18 (pointers_lock){.+.+}-{2:2}, at: get_block+0x15b/0x1690 fs/sysv/itree.c:217 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 4867 Comm: syz-executor.0 Tainted: G W 5.15.124-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9625 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x178/0x1690 fs/sysv/itree.c:218