Buffer I/O error on dev loop0, logical block 13466417, async page read syz-executor379: 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 include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5173, name: syz-executor379 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor379/5173: #0: ffff88802c9ca420 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0x10d/0x530 fs/namei.c:3888 #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:839 [inline] #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x1c2/0x530 fs/namei.c:3895 #2: ffffffff8dbd4db8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:222 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 5173 Comm: syz-executor379 Not tainted 6.8.0-rc7-syzkaller-00130-g135288b73cef #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c7/0x5e0 kernel/sched/core.c:10176 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x8d/0xc0 fs/buffer.c:1425 __bread_gfp+0xa9/0x370 fs/buffer.c:1474 sb_bread include/linux/buffer_head.h:321 [inline] get_branch+0x2cb/0x670 fs/sysv/itree.c:105 get_block+0x1ad/0x15c0 fs/sysv/itree.c:223 block_read_full_folio+0x38f/0xa70 fs/buffer.c:2382 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2324 do_read_cache_folio+0x209/0x550 mm/filemap.c:3703 do_read_cache_page mm/filemap.c:3769 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3778 read_mapping_page include/linux/pagemap.h:888 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1e5/0x690 fs/sysv/dir.c:157 sysv_inode_by_name+0x71/0x3b0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x8c/0x100 fs/sysv/namei.c:31 lookup_one_qstr_excl+0x11d/0x190 fs/namei.c:1608 filename_create+0x1ed/0x530 fs/namei.c:3896 do_mkdirat+0xab/0x3a0 fs/namei.c:4141 __do_sys_mkdir fs/namei.c:4169 [inline] __se_sys_mkdir fs/namei.c:4167 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:4167 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fb08a188a97 Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff018705f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb08a188a97 RDX: 00000000000d058c RSI: 00000000000001ff RDI: 0000000020001700 RBP: 0000000020001700 R08: 0000000000000000 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 00007fff01870690 R14: 0000000000000000 R15: 0000000020000000 syz-executor379: 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 syz-executor379: attempt to access beyond end of device loop0: rw=0, sector=17669878, nr_sectors = 2 limit=128 Buffer I/O error on dev loop0, logical block 8834939, async page read BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5173, name: syz-executor379 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor379/5173: #0: ffff88802c9ca420 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0x10d/0x530 fs/namei.c:3888 #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:839 [inline] #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x1c2/0x530 fs/namei.c:3895 #2: ffffffff8dbd4db8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:222 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 5173 Comm: syz-executor379 Tainted: G W 6.8.0-rc7-syzkaller-00130-g135288b73cef #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c7/0x5e0 kernel/sched/core.c:10176 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x8d/0xc0 fs/buffer.c:1425 __bread_gfp+0xa9/0x370 fs/buffer.c:1474 sb_bread include/linux/buffer_head.h:321 [inline] get_branch+0x2cb/0x670 fs/sysv/itree.c:105 get_block+0x1ad/0x15c0 fs/sysv/itree.c:223 block_read_full_folio+0x38f/0xa70 fs/buffer.c:2382 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2324 do_read_cache_folio+0x209/0x550 mm/filemap.c:3703 do_read_cache_page mm/filemap.c:3769 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3778 read_mapping_page include/linux/pagemap.h:888 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1e5/0x690 fs/sysv/dir.c:157 sysv_inode_by_name+0x71/0x3b0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x8c/0x100 fs/sysv/namei.c:31 lookup_one_qstr_excl+0x11d/0x190 fs/namei.c:1608 filename_create+0x1ed/0x530 fs/namei.c:3896 do_mkdirat+0xab/0x3a0 fs/namei.c:4141 __do_sys_mkdir fs/namei.c:4169 [inline] __se_sys_mkdir fs/namei.c:4167 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:4167 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fb08a188a97 Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff018705f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb08a188a97 RDX: 00000000000d058c RSI: 00000000000001ff RDI: 0000000020001700 RBP: 0000000020001700 R08: 0000000000000000 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 00007fff01870690 R14: 0000000000000000 R15: 0000000020000000 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5173, name: syz-executor379 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor379/5173: #0: ffff88802c9ca420 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0x10d/0x530 fs/namei.c:3888 #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:839 [inline] #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x1c2/0x530 fs/namei.c:3895 #2: ffffffff8dbd4db8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:222 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 5173 Comm: syz-executor379 Tainted: G W 6.8.0-rc7-syzkaller-00130-g135288b73cef #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c7/0x5e0 kernel/sched/core.c:10176 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x8d/0xc0 fs/buffer.c:1425 __bread_gfp+0xa9/0x370 fs/buffer.c:1474 sb_bread include/linux/buffer_head.h:321 [inline] get_branch+0x2cb/0x670 fs/sysv/itree.c:105 get_block+0x1ad/0x15c0 fs/sysv/itree.c:223 block_read_full_folio+0x38f/0xa70 fs/buffer.c:2382 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2324 do_read_cache_folio+0x209/0x550 mm/filemap.c:3703 do_read_cache_page mm/filemap.c:3769 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3778 read_mapping_page include/linux/pagemap.h:888 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1e5/0x690 fs/sysv/dir.c:157 sysv_inode_by_name+0x71/0x3b0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x8c/0x100 fs/sysv/namei.c:31 lookup_one_qstr_excl+0x11d/0x190 fs/namei.c:1608 filename_create+0x1ed/0x530 fs/namei.c:3896 do_mkdirat+0xab/0x3a0 fs/namei.c:4141 __do_sys_mkdir fs/namei.c:4169 [inline] __se_sys_mkdir fs/namei.c:4167 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:4167 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fb08a188a97 Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff018705f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb08a188a97 RDX: 00000000000d058c RSI: 00000000000001ff RDI: 0000000020001700 RBP: 0000000020001700 R08: 0000000000000000 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 00007fff01870690 R14: 0000000000000000 R15: 0000000020000000 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5173, name: syz-executor379 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor379/5173: #0: ffff88802c9ca420 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0x10d/0x530 fs/namei.c:3888 #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:839 [inline] #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x1c2/0x530 fs/namei.c:3895 #2: ffffffff8dbd4db8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:222 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 3 PID: 5173 Comm: syz-executor379 Tainted: G W 6.8.0-rc7-syzkaller-00130-g135288b73cef #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c7/0x5e0 kernel/sched/core.c:10176 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x8d/0xc0 fs/buffer.c:1425 __bread_gfp+0xa9/0x370 fs/buffer.c:1474 sb_bread include/linux/buffer_head.h:321 [inline] get_branch+0x2cb/0x670 fs/sysv/itree.c:105 get_block+0x1ad/0x15c0 fs/sysv/itree.c:223 block_read_full_folio+0x38f/0xa70 fs/buffer.c:2382 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2324 do_read_cache_folio+0x209/0x550 mm/filemap.c:3703 do_read_cache_page mm/filemap.c:3769 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3778 read_mapping_page include/linux/pagemap.h:888 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1e5/0x690 fs/sysv/dir.c:157 sysv_inode_by_name+0x71/0x3b0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x8c/0x100 fs/sysv/namei.c:31 lookup_one_qstr_excl+0x11d/0x190 fs/namei.c:1608 filename_create+0x1ed/0x530 fs/namei.c:3896 do_mkdirat+0xab/0x3a0 fs/namei.c:4141 __do_sys_mkdir fs/namei.c:4169 [inline] __se_sys_mkdir fs/namei.c:4167 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:4167 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fb08a188a97 Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff018705f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb08a188a97 RDX: 00000000000d058c RSI: 00000000000001ff RDI: 0000000020001700 RBP: 0000000020001700 R08: 0000000000000000 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 00007fff01870690 R14: 0000000000000000 R15: 0000000020000000 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5173, name: syz-executor379 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor379/5173: #0: ffff88802c9ca420 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0x10d/0x530 fs/namei.c:3888 #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:839 [inline] #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x1c2/0x530 fs/namei.c:3895 #2: ffffffff8dbd4db8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:222 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 3 PID: 5173 Comm: syz-executor379 Tainted: G W 6.8.0-rc7-syzkaller-00130-g135288b73cef #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c7/0x5e0 kernel/sched/core.c:10176 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x8d/0xc0 fs/buffer.c:1425 __bread_gfp+0xa9/0x370 fs/buffer.c:1474 sb_bread include/linux/buffer_head.h:321 [inline] get_branch+0x2cb/0x670 fs/sysv/itree.c:105 get_block+0x1ad/0x15c0 fs/sysv/itree.c:223 block_read_full_folio+0x38f/0xa70 fs/buffer.c:2382 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2324 do_read_cache_folio+0x209/0x550 mm/filemap.c:3703 do_read_cache_page mm/filemap.c:3769 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3778 read_mapping_page include/linux/pagemap.h:888 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1e5/0x690 fs/sysv/dir.c:157 sysv_inode_by_name+0x71/0x3b0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x8c/0x100 fs/sysv/namei.c:31 lookup_one_qstr_excl+0x11d/0x190 fs/namei.c:1608 filename_create+0x1ed/0x530 fs/namei.c:3896 do_mkdirat+0xab/0x3a0 fs/namei.c:4141 __do_sys_mkdir fs/namei.c:4169 [inline] __se_sys_mkdir fs/namei.c:4167 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:4167 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fb08a188a97 Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff018705f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb08a188a97 RDX: 00000000000d058c RSI: 00000000000001ff RDI: 0000000020001700 RBP: 0000000020001700 R08: 0000000000000000 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 00007fff01870690 R14: 0000000000000000 R15: 0000000020000000 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5173, name: syz-executor379 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor379/5173: #0: ffff88802c9ca420 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0x10d/0x530 fs/namei.c:3888 #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:839 [inline] #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x1c2/0x530 fs/namei.c:3895 #2: ffffffff8dbd4db8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:222 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 2 PID: 5173 Comm: syz-executor379 Tainted: G W 6.8.0-rc7-syzkaller-00130-g135288b73cef #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c7/0x5e0 kernel/sched/core.c:10176 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x8d/0xc0 fs/buffer.c:1425 __bread_gfp+0xa9/0x370 fs/buffer.c:1474 sb_bread include/linux/buffer_head.h:321 [inline] get_branch+0x2cb/0x670 fs/sysv/itree.c:105 get_block+0x1ad/0x15c0 fs/sysv/itree.c:223 block_read_full_folio+0x38f/0xa70 fs/buffer.c:2382 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2324 do_read_cache_folio+0x209/0x550 mm/filemap.c:3703 do_read_cache_page mm/filemap.c:3769 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3778 read_mapping_page include/linux/pagemap.h:888 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1e5/0x690 fs/sysv/dir.c:157 sysv_inode_by_name+0x71/0x3b0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x8c/0x100 fs/sysv/namei.c:31 lookup_one_qstr_excl+0x11d/0x190 fs/namei.c:1608 filename_create+0x1ed/0x530 fs/namei.c:3896 do_mkdirat+0xab/0x3a0 fs/namei.c:4141 __do_sys_mkdir fs/namei.c:4169 [inline] __se_sys_mkdir fs/namei.c:4167 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:4167 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fb08a188a97 Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff018705f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb08a188a97 RDX: 00000000000d058c RSI: 00000000000001ff RDI: 0000000020001700 RBP: 0000000020001700 R08: 0000000000000000 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 00007fff01870690 R14: 0000000000000000 R15: 0000000020000000 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5173, name: syz-executor379 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor379/5173: #0: ffff88802c9ca420 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0x10d/0x530 fs/namei.c:3888 #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:839 [inline] #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x1c2/0x530 fs/namei.c:3895 #2: ffffffff8dbd4db8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:222 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 2 PID: 5173 Comm: syz-executor379 Tainted: G W 6.8.0-rc7-syzkaller-00130-g135288b73cef #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c7/0x5e0 kernel/sched/core.c:10176 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x8d/0xc0 fs/buffer.c:1425 __bread_gfp+0xa9/0x370 fs/buffer.c:1474 sb_bread include/linux/buffer_head.h:321 [inline] get_branch+0x2cb/0x670 fs/sysv/itree.c:105 get_block+0x1ad/0x15c0 fs/sysv/itree.c:223 block_read_full_folio+0x38f/0xa70 fs/buffer.c:2382 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2324 do_read_cache_folio+0x209/0x550 mm/filemap.c:3703 do_read_cache_page mm/filemap.c:3769 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3778 read_mapping_page include/linux/pagemap.h:888 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1e5/0x690 fs/sysv/dir.c:157 sysv_inode_by_name+0x71/0x3b0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x8c/0x100 fs/sysv/namei.c:31 lookup_one_qstr_excl+0x11d/0x190 fs/namei.c:1608 filename_create+0x1ed/0x530 fs/namei.c:3896 do_mkdirat+0xab/0x3a0 fs/namei.c:4141 __do_sys_mkdir fs/namei.c:4169 [inline] __se_sys_mkdir fs/namei.c:4167 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:4167 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fb08a188a97 Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff018705f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb08a188a97 RDX: 00000000000d058c RSI: 00000000000001ff RDI: 0000000020001700 RBP: 0000000020001700 R08: 0000000000000000 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 00007fff01870690 R14: 0000000000000000 R15: 0000000020000000 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5173, name: syz-executor379 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor379/5173: #0: ffff88802c9ca420 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0x10d/0x530 fs/namei.c:3888 #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:839 [inline] #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x1c2/0x530 fs/namei.c:3895 #2: ffffffff8dbd4db8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:222 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 2 PID: 5173 Comm: syz-executor379 Tainted: G W 6.8.0-rc7-syzkaller-00130-g135288b73cef #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c7/0x5e0 kernel/sched/core.c:10176 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x8d/0xc0 fs/buffer.c:1425 __bread_gfp+0xa9/0x370 fs/buffer.c:1474 sb_bread include/linux/buffer_head.h:321 [inline] get_branch+0x2cb/0x670 fs/sysv/itree.c:105 get_block+0x1ad/0x15c0 fs/sysv/itree.c:223 block_read_full_folio+0x38f/0xa70 fs/buffer.c:2382 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2324 do_read_cache_folio+0x209/0x550 mm/filemap.c:3703 do_read_cache_page mm/filemap.c:3769 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3778 read_mapping_page include/linux/pagemap.h:888 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1e5/0x690 fs/sysv/dir.c:157 sysv_inode_by_name+0x71/0x3b0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x8c/0x100 fs/sysv/namei.c:31 lookup_one_qstr_excl+0x11d/0x190 fs/namei.c:1608 filename_create+0x1ed/0x530 fs/namei.c:3896 do_mkdirat+0xab/0x3a0 fs/namei.c:4141 __do_sys_mkdir fs/namei.c:4169 [inline] __se_sys_mkdir fs/namei.c:4167 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:4167 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fb08a188a97 Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff018705f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb08a188a97 RDX: 00000000000d058c RSI: 00000000000001ff RDI: 0000000020001700 RBP: 0000000020001700 R08: 0000000000000000 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 00007fff01870690 R14: 0000000000000000 R15: 0000000020000000 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5173, name: syz-executor379 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor379/5173: #0: ffff88802c9ca420 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0x10d/0x530 fs/namei.c:3888 #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:839 [inline] #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x1c2/0x530 fs/namei.c:3895 #2: ffffffff8dbd4db8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:222 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 2 PID: 5173 Comm: syz-executor379 Tainted: G W 6.8.0-rc7-syzkaller-00130-g135288b73cef #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c7/0x5e0 kernel/sched/core.c:10176 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x8d/0xc0 fs/buffer.c:1425 __bread_gfp+0xa9/0x370 fs/buffer.c:1474 sb_bread include/linux/buffer_head.h:321 [inline] get_branch+0x2cb/0x670 fs/sysv/itree.c:105 get_block+0x1ad/0x15c0 fs/sysv/itree.c:223 block_read_full_folio+0x38f/0xa70 fs/buffer.c:2382 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2324 do_read_cache_folio+0x209/0x550 mm/filemap.c:3703 do_read_cache_page mm/filemap.c:3769 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3778 read_mapping_page include/linux/pagemap.h:888 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1e5/0x690 fs/sysv/dir.c:157 sysv_inode_by_name+0x71/0x3b0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x8c/0x100 fs/sysv/namei.c:31 lookup_one_qstr_excl+0x11d/0x190 fs/namei.c:1608 filename_create+0x1ed/0x530 fs/namei.c:3896 do_mkdirat+0xab/0x3a0 fs/namei.c:4141 __do_sys_mkdir fs/namei.c:4169 [inline] __se_sys_mkdir fs/namei.c:4167 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:4167 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fb08a188a97 Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff018705f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb08a188a97 RDX: 00000000000d058c RSI: 00000000000001ff RDI: 0000000020001700 RBP: 0000000020001700 R08: 0000000000000000 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 00007fff01870690 R14: 0000000000000000 R15: 0000000020000000 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5173, name: syz-executor379 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor379/5173: #0: ffff88802c9ca420 (sb_writers#10){.+.+}-{0:0}, at: filename_create+0x10d/0x530 fs/namei.c:3888 #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:839 [inline] #1: ffff888031c78188 (&type->i_mutex_dir_key#6/1){+.+.}-{3:3}, at: filename_create+0x1c2/0x530 fs/namei.c:3895 #2: ffffffff8dbd4db8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x15c0 fs/sysv/itree.c:222 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 2 PID: 5173 Comm: syz-executor379 Tainted: G W 6.8.0-rc7-syzkaller-00130-g135288b73cef #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.2-debian-1.16.2-1 04/01/2014 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c7/0x5e0 kernel/sched/core.c:10176 might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x8d/0xc0 fs/buffer.c:1425 __bread_gfp+0xa9/0x370 fs/buffer.c:1474 sb_bread include/linux/buffer_head.h:321 [inline] get_branch+0x2cb/0x670 fs/sysv/itree.c:105 get_block+0x1ad/0x15c0 fs/sysv/itree.c:223 block_read_full_folio+0x38f/0xa70 fs/buffer.c:2382 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2324 do_read_cache_folio+0x209/0x550 mm/filemap.c:3703 do_read_cache_page mm/filemap.c:3769 [inline] read_cache_page+0x5b/0x160 mm/filemap.c:3778 read_mapping_page include/linux/pagemap.h:888 [inline] dir_get_page fs/sysv/dir.c:64 [inline] sysv_find_entry+0x1e5/0x690 fs/sysv/dir.c:157 sysv_inode_by_name+0x71/0x3b0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x8c/0x100 fs/sysv/namei.c:31 lookup_one_qstr_excl+0x11d/0x190 fs/namei.c:1608 filename_create+0x1ed/0x530 fs/namei.c:3896 do_mkdirat+0xab/0x3a0 fs/namei.c:4141 __do_sys_mkdir fs/namei.c:4169 [inline] __se_sys_mkdir fs/namei.c:4167 [inline] __x64_sys_mkdir+0xf2/0x140 fs/namei.c:4167 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xd5/0x270 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x6f/0x77 RIP: 0033:0x7fb08a188a97 Code: ff ff 77 07 31 c0 c3 0f 1f 40 00 48 c7 c2 b8 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff c3 66 0f 1f 44 00 00 b8 53 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fff018705f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb08a188a97 RDX: 00000000000d058c RSI: 00000000000001ff RDI: 0000000020001700 RBP: 0000000020001700 R08: 0000000000000000 R09: 0000000020000000 R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffff R13: 00007fff01870690 R14: 0000000000000000 R15: 0000000020000000 BUG: sleeping function called from invalid context at include/linux/sched/mm.h:306 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 5173, name: syz-executor379 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0