loop5: rw=0, sector=8073605, nr_sectors = 1 limit=128 Buffer I/O error on dev loop5, 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: 17110, name: syz-executor.5 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.5/17110: #0: ffff00013abac410 (sb_writers#37){.+.+}-{0:0}, at: mnt_want_write+0x44/0x9c fs/namespace.c:403 #1: ffff00013cd58188 (&type->i_mutex_dir_key#25/1){+.+.}-{3:3}, at: inode_lock_nested include/linux/fs.h:837 [inline] #1: ffff00013cd58188 (&type->i_mutex_dir_key#25/1){+.+.}-{3:3}, at: filename_create+0x204/0x468 fs/namei.c:3890 #2: ffff80008e7d44b8 (pointers_lock#2){.+.+}-{2:2}, at: get_block+0x144/0x1320 fs/sysv/itree.c:221 Preemption disabled at: [] get_block+0x144/0x1320 fs/sysv/itree.c:221 CPU: 1 PID: 17110 Comm: syz-executor.5 Not tainted 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 __might_resched+0x374/0x4d0 kernel/sched/core.c:10187 __might_sleep+0x90/0xe4 kernel/sched/core.c:10116 __getblk_gfp+0x5c/0x720 fs/buffer.c:1437 __bread_gfp+0x3c/0x2ec fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1320 fs/sysv/itree.c:222 block_read_full_folio+0x3f8/0xd84 fs/buffer.c:2400 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:466 filemap_read_folio+0x14c/0x39c mm/filemap.c:2382 do_read_cache_folio+0x114/0x548 mm/filemap.c:3742 do_read_cache_page+0x4c/0x260 mm/filemap.c:3808 read_cache_page+0x68/0x84 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+0x174/0x570 fs/sysv/dir.c:157 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:374 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 lookup_one_qstr_excl+0x108/0x230 fs/namei.c:1609 filename_create+0x230/0x468 fs/namei.c:3891 do_mkdirat+0xac/0x510 fs/namei.c:4136 __do_sys_mkdirat fs/namei.c:4159 [inline] __se_sys_mkdirat fs/namei.c:4157 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4157 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 syz-executor.5: attempt to access beyond end of device loop5: rw=0, sector=3245518, nr_sectors = 1 limit=128 Buffer I/O error on dev loop5, logical block 3245518, async page read syz-executor.5: attempt to access beyond end of device loop5: rw=0, sector=8769403, nr_sectors = 1 limit=128 Buffer I/O error on dev loop5, logical block 8769403, async page read BUG: MAX_LOCKDEP_CHAINS too low! turning off the locking correctness validator. CPU: 0 PID: 17110 Comm: syz-executor.5 Tainted: G W 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 lookup_chain_cache_add kernel/locking/lockdep.c:3815 [inline] validate_chain kernel/locking/lockdep.c:3836 [inline] __lock_acquire+0x1c60/0x75e8 kernel/locking/lockdep.c:5136 lock_acquire+0x23c/0x71c kernel/locking/lockdep.c:5753 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x5c/0x7c kernel/locking/spinlock.c:162 folio_lruvec_lock_irqsave+0x10c/0x268 mm/memcontrol.c:1368 folio_lruvec_relock_irqsave include/linux/memcontrol.h:1668 [inline] folio_batch_move_lru+0x280/0x4cc mm/swap.c:216 folio_batch_add_and_move+0x144/0x1c8 mm/swap.c:234 folio_add_lru+0x1d4/0x3e8 mm/swap.c:517 filemap_add_folio+0x1c8/0x298 mm/filemap.c:954 do_read_cache_folio+0xec/0x548 mm/filemap.c:3709 do_read_cache_page+0x4c/0x260 mm/filemap.c:3808 read_cache_page+0x68/0x84 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+0x174/0x570 fs/sysv/dir.c:157 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:374 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 lookup_one_qstr_excl+0x108/0x230 fs/namei.c:1609 filename_create+0x230/0x468 fs/namei.c:3891 do_mkdirat+0xac/0x510 fs/namei.c:4136 __do_sys_mkdirat fs/namei.c:4159 [inline] __se_sys_mkdirat fs/namei.c:4157 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4157 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 BUG: sleeping function called from invalid context at include/linux/pagemap.h:1040 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 17110, name: syz-executor.5 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [] get_block+0x144/0x1320 fs/sysv/itree.c:221 CPU: 0 PID: 17110 Comm: syz-executor.5 Tainted: G W 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 __might_resched+0x374/0x4d0 kernel/sched/core.c:10187 __might_sleep+0x90/0xe4 kernel/sched/core.c:10116 folio_lock include/linux/pagemap.h:1040 [inline] __filemap_get_folio+0xb4/0x8b8 mm/filemap.c:1882 grow_dev_page fs/buffer.c:1058 [inline] grow_buffers fs/buffer.c:1118 [inline] __getblk_slow fs/buffer.c:1145 [inline] __getblk_gfp+0x1e0/0x720 fs/buffer.c:1439 __bread_gfp+0x3c/0x2ec fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1320 fs/sysv/itree.c:222 block_read_full_folio+0x3f8/0xd84 fs/buffer.c:2400 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:466 filemap_read_folio+0x14c/0x39c mm/filemap.c:2382 do_read_cache_folio+0x114/0x548 mm/filemap.c:3742 do_read_cache_page+0x4c/0x260 mm/filemap.c:3808 read_cache_page+0x68/0x84 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+0x174/0x570 fs/sysv/dir.c:157 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:374 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 lookup_one_qstr_excl+0x108/0x230 fs/namei.c:1609 filename_create+0x230/0x468 fs/namei.c:3891 do_mkdirat+0xac/0x510 fs/namei.c:4136 __do_sys_mkdirat fs/namei.c:4159 [inline] __se_sys_mkdirat fs/namei.c:4157 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4157 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 17110, name: syz-executor.5 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [] get_block+0x144/0x1320 fs/sysv/itree.c:221 CPU: 0 PID: 17110 Comm: syz-executor.5 Tainted: G W 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 __might_resched+0x374/0x4d0 kernel/sched/core.c:10187 __might_sleep+0x90/0xe4 kernel/sched/core.c:10116 __getblk_gfp+0x5c/0x720 fs/buffer.c:1437 __bread_gfp+0x3c/0x2ec fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1320 fs/sysv/itree.c:222 block_read_full_folio+0x3f8/0xd84 fs/buffer.c:2400 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:466 filemap_read_folio+0x14c/0x39c mm/filemap.c:2382 do_read_cache_folio+0x114/0x548 mm/filemap.c:3742 do_read_cache_page+0x4c/0x260 mm/filemap.c:3808 read_cache_page+0x68/0x84 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+0x174/0x570 fs/sysv/dir.c:157 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:374 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 lookup_one_qstr_excl+0x108/0x230 fs/namei.c:1609 filename_create+0x230/0x468 fs/namei.c:3891 do_mkdirat+0xac/0x510 fs/namei.c:4136 __do_sys_mkdirat fs/namei.c:4159 [inline] __se_sys_mkdirat fs/namei.c:4157 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4157 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 17110, name: syz-executor.5 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [] get_block+0x144/0x1320 fs/sysv/itree.c:221 CPU: 0 PID: 17110 Comm: syz-executor.5 Tainted: G W 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 __might_resched+0x374/0x4d0 kernel/sched/core.c:10187 __might_sleep+0x90/0xe4 kernel/sched/core.c:10116 __getblk_gfp+0x5c/0x720 fs/buffer.c:1437 __bread_gfp+0x3c/0x2ec fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1320 fs/sysv/itree.c:222 block_read_full_folio+0x3f8/0xd84 fs/buffer.c:2400 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:466 filemap_read_folio+0x14c/0x39c mm/filemap.c:2382 do_read_cache_folio+0x114/0x548 mm/filemap.c:3742 do_read_cache_page+0x4c/0x260 mm/filemap.c:3808 read_cache_page+0x68/0x84 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+0x174/0x570 fs/sysv/dir.c:157 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:374 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 lookup_one_qstr_excl+0x108/0x230 fs/namei.c:1609 filename_create+0x230/0x468 fs/namei.c:3891 do_mkdirat+0xac/0x510 fs/namei.c:4136 __do_sys_mkdirat fs/namei.c:4159 [inline] __se_sys_mkdirat fs/namei.c:4157 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4157 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 17110, name: syz-executor.5 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [] get_block+0x144/0x1320 fs/sysv/itree.c:221 CPU: 0 PID: 17110 Comm: syz-executor.5 Tainted: G W 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 __might_resched+0x374/0x4d0 kernel/sched/core.c:10187 __might_sleep+0x90/0xe4 kernel/sched/core.c:10116 __getblk_gfp+0x5c/0x720 fs/buffer.c:1437 __bread_gfp+0x3c/0x2ec fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1320 fs/sysv/itree.c:222 block_read_full_folio+0x3f8/0xd84 fs/buffer.c:2400 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:466 filemap_read_folio+0x14c/0x39c mm/filemap.c:2382 do_read_cache_folio+0x114/0x548 mm/filemap.c:3742 do_read_cache_page+0x4c/0x260 mm/filemap.c:3808 read_cache_page+0x68/0x84 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+0x174/0x570 fs/sysv/dir.c:157 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:374 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 lookup_one_qstr_excl+0x108/0x230 fs/namei.c:1609 filename_create+0x230/0x468 fs/namei.c:3891 do_mkdirat+0xac/0x510 fs/namei.c:4136 __do_sys_mkdirat fs/namei.c:4159 [inline] __se_sys_mkdirat fs/namei.c:4157 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4157 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 17110, name: syz-executor.5 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [] get_block+0x144/0x1320 fs/sysv/itree.c:221 CPU: 0 PID: 17110 Comm: syz-executor.5 Tainted: G W 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 __might_resched+0x374/0x4d0 kernel/sched/core.c:10187 __might_sleep+0x90/0xe4 kernel/sched/core.c:10116 __getblk_gfp+0x5c/0x720 fs/buffer.c:1437 __bread_gfp+0x3c/0x2ec fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1320 fs/sysv/itree.c:222 block_read_full_folio+0x3f8/0xd84 fs/buffer.c:2400 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:466 filemap_read_folio+0x14c/0x39c mm/filemap.c:2382 do_read_cache_folio+0x114/0x548 mm/filemap.c:3742 do_read_cache_page+0x4c/0x260 mm/filemap.c:3808 read_cache_page+0x68/0x84 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+0x174/0x570 fs/sysv/dir.c:157 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:374 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 lookup_one_qstr_excl+0x108/0x230 fs/namei.c:1609 filename_create+0x230/0x468 fs/namei.c:3891 do_mkdirat+0xac/0x510 fs/namei.c:4136 __do_sys_mkdirat fs/namei.c:4159 [inline] __se_sys_mkdirat fs/namei.c:4157 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4157 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 17110, name: syz-executor.5 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [] get_block+0x144/0x1320 fs/sysv/itree.c:221 CPU: 0 PID: 17110 Comm: syz-executor.5 Tainted: G W 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 __might_resched+0x374/0x4d0 kernel/sched/core.c:10187 __might_sleep+0x90/0xe4 kernel/sched/core.c:10116 __getblk_gfp+0x5c/0x720 fs/buffer.c:1437 __bread_gfp+0x3c/0x2ec fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1320 fs/sysv/itree.c:222 block_read_full_folio+0x3f8/0xd84 fs/buffer.c:2400 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:466 filemap_read_folio+0x14c/0x39c mm/filemap.c:2382 do_read_cache_folio+0x114/0x548 mm/filemap.c:3742 do_read_cache_page+0x4c/0x260 mm/filemap.c:3808 read_cache_page+0x68/0x84 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+0x174/0x570 fs/sysv/dir.c:157 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:374 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 lookup_one_qstr_excl+0x108/0x230 fs/namei.c:1609 filename_create+0x230/0x468 fs/namei.c:3891 do_mkdirat+0xac/0x510 fs/namei.c:4136 __do_sys_mkdirat fs/namei.c:4159 [inline] __se_sys_mkdirat fs/namei.c:4157 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4157 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 17110, name: syz-executor.5 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [] get_block+0x144/0x1320 fs/sysv/itree.c:221 CPU: 0 PID: 17110 Comm: syz-executor.5 Tainted: G W 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 __might_resched+0x374/0x4d0 kernel/sched/core.c:10187 __might_sleep+0x90/0xe4 kernel/sched/core.c:10116 __getblk_gfp+0x5c/0x720 fs/buffer.c:1437 __bread_gfp+0x3c/0x2ec fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1320 fs/sysv/itree.c:222 block_read_full_folio+0x3f8/0xd84 fs/buffer.c:2400 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:466 filemap_read_folio+0x14c/0x39c mm/filemap.c:2382 do_read_cache_folio+0x114/0x548 mm/filemap.c:3742 do_read_cache_page+0x4c/0x260 mm/filemap.c:3808 read_cache_page+0x68/0x84 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+0x174/0x570 fs/sysv/dir.c:157 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:374 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 lookup_one_qstr_excl+0x108/0x230 fs/namei.c:1609 filename_create+0x230/0x468 fs/namei.c:3891 do_mkdirat+0xac/0x510 fs/namei.c:4136 __do_sys_mkdirat fs/namei.c:4159 [inline] __se_sys_mkdirat fs/namei.c:4157 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4157 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 17110, name: syz-executor.5 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [] get_block+0x144/0x1320 fs/sysv/itree.c:221 CPU: 0 PID: 17110 Comm: syz-executor.5 Tainted: G W 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 __might_resched+0x374/0x4d0 kernel/sched/core.c:10187 __might_sleep+0x90/0xe4 kernel/sched/core.c:10116 __getblk_gfp+0x5c/0x720 fs/buffer.c:1437 __bread_gfp+0x3c/0x2ec fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1320 fs/sysv/itree.c:222 block_read_full_folio+0x3f8/0xd84 fs/buffer.c:2400 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:466 filemap_read_folio+0x14c/0x39c mm/filemap.c:2382 do_read_cache_folio+0x114/0x548 mm/filemap.c:3742 do_read_cache_page+0x4c/0x260 mm/filemap.c:3808 read_cache_page+0x68/0x84 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+0x174/0x570 fs/sysv/dir.c:157 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:374 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 lookup_one_qstr_excl+0x108/0x230 fs/namei.c:1609 filename_create+0x230/0x468 fs/namei.c:3891 do_mkdirat+0xac/0x510 fs/namei.c:4136 __do_sys_mkdirat fs/namei.c:4159 [inline] __se_sys_mkdirat fs/namei.c:4157 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4157 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 17110, name: syz-executor.5 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [] get_block+0x144/0x1320 fs/sysv/itree.c:221 CPU: 0 PID: 17110 Comm: syz-executor.5 Tainted: G W 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 __might_resched+0x374/0x4d0 kernel/sched/core.c:10187 __might_sleep+0x90/0xe4 kernel/sched/core.c:10116 __getblk_gfp+0x5c/0x720 fs/buffer.c:1437 __bread_gfp+0x3c/0x2ec fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1320 fs/sysv/itree.c:222 block_read_full_folio+0x3f8/0xd84 fs/buffer.c:2400 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:466 filemap_read_folio+0x14c/0x39c mm/filemap.c:2382 do_read_cache_folio+0x114/0x548 mm/filemap.c:3742 do_read_cache_page+0x4c/0x260 mm/filemap.c:3808 read_cache_page+0x68/0x84 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+0x174/0x570 fs/sysv/dir.c:157 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:374 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 lookup_one_qstr_excl+0x108/0x230 fs/namei.c:1609 filename_create+0x230/0x468 fs/namei.c:3891 do_mkdirat+0xac/0x510 fs/namei.c:4136 __do_sys_mkdirat fs/namei.c:4159 [inline] __se_sys_mkdirat fs/namei.c:4157 [inline] __arm64_sys_mkdirat+0x90/0xa8 fs/namei.c:4157 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 17110, name: syz-executor.5 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 INFO: lockdep is turned off. Preemption disabled at: [] get_block+0x144/0x1320 fs/sysv/itree.c:221 CPU: 0 PID: 17110 Comm: syz-executor.5 Tainted: G W 6.6.0-rc7-syzkaller-g8de1e7afcc1c #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/09/2023 Call trace: dump_backtrace+0x1b8/0x1e4 arch/arm64/kernel/stacktrace.c:233 show_stack+0x2c/0x44 arch/arm64/kernel/stacktrace.c:240 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd0/0x124 lib/dump_stack.c:106 dump_stack+0x1c/0x28 lib/dump_stack.c:113 __might_resched+0x374/0x4d0 kernel/sched/core.c:10187 __might_sleep+0x90/0xe4 kernel/sched/core.c:10116 __getblk_gfp+0x5c/0x720 fs/buffer.c:1437 __bread_gfp+0x3c/0x2ec fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1320 fs/sysv/itree.c:222 block_read_full_folio+0x3f8/0xd84 fs/buffer.c:2400