Buffer I/O error on dev loop0, logical block 13466417, async page read syz-executor421: attempt to access beyond end of device loop0: rw=0, sector=8073605, nr_sectors = 1 limit=128 Buffer I/O error on dev loop0, logical block 8073605, 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: 4216, name: syz-executor421 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor421/4216: #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1701 #1: ffff800015a21ab8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x140/0x1348 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x140/0x1348 fs/sysv/itree.c:217 CPU: 0 PID: 4216 Comm: syz-executor421 Not tainted 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 __might_resched+0x37c/0x4d8 kernel/sched/core.c:9941 __might_sleep+0x90/0xe4 kernel/sched/core.c:9870 __getblk_gfp+0x5c/0x874 fs/buffer.c:1331 __bread_gfp+0x3c/0x2ec fs/buffer.c:1367 sb_bread include/linux/buffer_head.h:338 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1348 fs/sysv/itree.c:218 block_read_full_folio+0x2f4/0x98c fs/buffer.c:2271 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:461 filemap_read_folio+0x14c/0x39c mm/filemap.c:2407 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3535 do_read_cache_page mm/filemap.c:3577 [inline] read_cache_page+0x6c/0x180 mm/filemap.c:3586 read_mapping_page include/linux/pagemap.h:756 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x170/0x5a8 fs/sysv/dir.c:146 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:360 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 __lookup_slow+0x250/0x374 fs/namei.c:1685 lookup_slow+0x60/0x84 fs/namei.c:1702 walk_component fs/namei.c:1993 [inline] link_path_walk+0x830/0xcc8 fs/namei.c:2320 path_openat+0x1c8/0x2548 fs/namei.c:3710 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 syz-executor421: attempt to access beyond end of device loop0: rw=0, sector=3245518, nr_sectors = 1 limit=128 Buffer I/O error on dev loop0, logical block 3245518, async page read syz-executor421: attempt to access beyond end of device loop0: rw=0, sector=8769403, nr_sectors = 1 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:1331 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4216, name: syz-executor421 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor421/4216: #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1701 #1: ffff800015a21ab8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x140/0x1348 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x140/0x1348 fs/sysv/itree.c:217 CPU: 0 PID: 4216 Comm: syz-executor421 Tainted: G W 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 __might_resched+0x37c/0x4d8 kernel/sched/core.c:9941 __might_sleep+0x90/0xe4 kernel/sched/core.c:9870 __getblk_gfp+0x5c/0x874 fs/buffer.c:1331 __bread_gfp+0x3c/0x2ec fs/buffer.c:1367 sb_bread include/linux/buffer_head.h:338 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1348 fs/sysv/itree.c:218 block_read_full_folio+0x2f4/0x98c fs/buffer.c:2271 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:461 filemap_read_folio+0x14c/0x39c mm/filemap.c:2407 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3535 do_read_cache_page mm/filemap.c:3577 [inline] read_cache_page+0x6c/0x180 mm/filemap.c:3586 read_mapping_page include/linux/pagemap.h:756 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x170/0x5a8 fs/sysv/dir.c:146 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:360 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 __lookup_slow+0x250/0x374 fs/namei.c:1685 lookup_slow+0x60/0x84 fs/namei.c:1702 walk_component fs/namei.c:1993 [inline] link_path_walk+0x830/0xcc8 fs/namei.c:2320 path_openat+0x1c8/0x2548 fs/namei.c:3710 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 BUG: sleeping function called from invalid context at fs/buffer.c:1331 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4216, name: syz-executor421 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor421/4216: #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1701 #1: ffff800015a21ab8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x140/0x1348 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x140/0x1348 fs/sysv/itree.c:217 CPU: 0 PID: 4216 Comm: syz-executor421 Tainted: G W 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 __might_resched+0x37c/0x4d8 kernel/sched/core.c:9941 __might_sleep+0x90/0xe4 kernel/sched/core.c:9870 __getblk_gfp+0x5c/0x874 fs/buffer.c:1331 __bread_gfp+0x3c/0x2ec fs/buffer.c:1367 sb_bread include/linux/buffer_head.h:338 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1348 fs/sysv/itree.c:218 block_read_full_folio+0x2f4/0x98c fs/buffer.c:2271 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:461 filemap_read_folio+0x14c/0x39c mm/filemap.c:2407 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3535 do_read_cache_page mm/filemap.c:3577 [inline] read_cache_page+0x6c/0x180 mm/filemap.c:3586 read_mapping_page include/linux/pagemap.h:756 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x170/0x5a8 fs/sysv/dir.c:146 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:360 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 __lookup_slow+0x250/0x374 fs/namei.c:1685 lookup_slow+0x60/0x84 fs/namei.c:1702 walk_component fs/namei.c:1993 [inline] link_path_walk+0x830/0xcc8 fs/namei.c:2320 path_openat+0x1c8/0x2548 fs/namei.c:3710 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 BUG: sleeping function called from invalid context at fs/buffer.c:1331 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4216, name: syz-executor421 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor421/4216: #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1701 #1: ffff800015a21ab8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x140/0x1348 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x140/0x1348 fs/sysv/itree.c:217 CPU: 0 PID: 4216 Comm: syz-executor421 Tainted: G W 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 __might_resched+0x37c/0x4d8 kernel/sched/core.c:9941 __might_sleep+0x90/0xe4 kernel/sched/core.c:9870 __getblk_gfp+0x5c/0x874 fs/buffer.c:1331 __bread_gfp+0x3c/0x2ec fs/buffer.c:1367 sb_bread include/linux/buffer_head.h:338 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1348 fs/sysv/itree.c:218 block_read_full_folio+0x2f4/0x98c fs/buffer.c:2271 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:461 filemap_read_folio+0x14c/0x39c mm/filemap.c:2407 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3535 do_read_cache_page mm/filemap.c:3577 [inline] read_cache_page+0x6c/0x180 mm/filemap.c:3586 read_mapping_page include/linux/pagemap.h:756 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x170/0x5a8 fs/sysv/dir.c:146 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:360 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 __lookup_slow+0x250/0x374 fs/namei.c:1685 lookup_slow+0x60/0x84 fs/namei.c:1702 walk_component fs/namei.c:1993 [inline] link_path_walk+0x830/0xcc8 fs/namei.c:2320 path_openat+0x1c8/0x2548 fs/namei.c:3710 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 BUG: sleeping function called from invalid context at fs/buffer.c:1331 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4216, name: syz-executor421 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor421/4216: #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1701 #1: ffff800015a21ab8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x140/0x1348 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x140/0x1348 fs/sysv/itree.c:217 CPU: 0 PID: 4216 Comm: syz-executor421 Tainted: G W 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 __might_resched+0x37c/0x4d8 kernel/sched/core.c:9941 __might_sleep+0x90/0xe4 kernel/sched/core.c:9870 __getblk_gfp+0x5c/0x874 fs/buffer.c:1331 __bread_gfp+0x3c/0x2ec fs/buffer.c:1367 sb_bread include/linux/buffer_head.h:338 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1348 fs/sysv/itree.c:218 block_read_full_folio+0x2f4/0x98c fs/buffer.c:2271 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:461 filemap_read_folio+0x14c/0x39c mm/filemap.c:2407 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3535 do_read_cache_page mm/filemap.c:3577 [inline] read_cache_page+0x6c/0x180 mm/filemap.c:3586 read_mapping_page include/linux/pagemap.h:756 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x170/0x5a8 fs/sysv/dir.c:146 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:360 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 __lookup_slow+0x250/0x374 fs/namei.c:1685 lookup_slow+0x60/0x84 fs/namei.c:1702 walk_component fs/namei.c:1993 [inline] link_path_walk+0x830/0xcc8 fs/namei.c:2320 path_openat+0x1c8/0x2548 fs/namei.c:3710 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 BUG: sleeping function called from invalid context at fs/buffer.c:1331 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4216, name: syz-executor421 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor421/4216: #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1701 #1: ffff800015a21ab8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x140/0x1348 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x140/0x1348 fs/sysv/itree.c:217 CPU: 0 PID: 4216 Comm: syz-executor421 Tainted: G W 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 __might_resched+0x37c/0x4d8 kernel/sched/core.c:9941 __might_sleep+0x90/0xe4 kernel/sched/core.c:9870 __getblk_gfp+0x5c/0x874 fs/buffer.c:1331 __bread_gfp+0x3c/0x2ec fs/buffer.c:1367 sb_bread include/linux/buffer_head.h:338 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1348 fs/sysv/itree.c:218 block_read_full_folio+0x2f4/0x98c fs/buffer.c:2271 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:461 filemap_read_folio+0x14c/0x39c mm/filemap.c:2407 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3535 do_read_cache_page mm/filemap.c:3577 [inline] read_cache_page+0x6c/0x180 mm/filemap.c:3586 read_mapping_page include/linux/pagemap.h:756 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x170/0x5a8 fs/sysv/dir.c:146 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:360 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 __lookup_slow+0x250/0x374 fs/namei.c:1685 lookup_slow+0x60/0x84 fs/namei.c:1702 walk_component fs/namei.c:1993 [inline] link_path_walk+0x830/0xcc8 fs/namei.c:2320 path_openat+0x1c8/0x2548 fs/namei.c:3710 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 BUG: sleeping function called from invalid context at fs/buffer.c:1331 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4216, name: syz-executor421 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor421/4216: #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1701 #1: ffff800015a21ab8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x140/0x1348 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x140/0x1348 fs/sysv/itree.c:217 CPU: 0 PID: 4216 Comm: syz-executor421 Tainted: G W 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 __might_resched+0x37c/0x4d8 kernel/sched/core.c:9941 __might_sleep+0x90/0xe4 kernel/sched/core.c:9870 __getblk_gfp+0x5c/0x874 fs/buffer.c:1331 __bread_gfp+0x3c/0x2ec fs/buffer.c:1367 sb_bread include/linux/buffer_head.h:338 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1348 fs/sysv/itree.c:218 block_read_full_folio+0x2f4/0x98c fs/buffer.c:2271 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:461 filemap_read_folio+0x14c/0x39c mm/filemap.c:2407 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3535 do_read_cache_page mm/filemap.c:3577 [inline] read_cache_page+0x6c/0x180 mm/filemap.c:3586 read_mapping_page include/linux/pagemap.h:756 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x170/0x5a8 fs/sysv/dir.c:146 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:360 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 __lookup_slow+0x250/0x374 fs/namei.c:1685 lookup_slow+0x60/0x84 fs/namei.c:1702 walk_component fs/namei.c:1993 [inline] link_path_walk+0x830/0xcc8 fs/namei.c:2320 path_openat+0x1c8/0x2548 fs/namei.c:3710 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 BUG: sleeping function called from invalid context at include/linux/pagemap.h:937 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4216, name: syz-executor421 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor421/4216: #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1701 #1: ffff800015a21ab8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x140/0x1348 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x140/0x1348 fs/sysv/itree.c:217 CPU: 0 PID: 4216 Comm: syz-executor421 Tainted: G W 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 __might_resched+0x37c/0x4d8 kernel/sched/core.c:9941 __might_sleep+0x90/0xe4 kernel/sched/core.c:9870 folio_lock include/linux/pagemap.h:937 [inline] __filemap_get_folio+0x47c/0xb6c mm/filemap.c:1931 pagecache_get_page+0x3c/0x16c mm/folio-compat.c:110 find_or_create_page include/linux/pagemap.h:613 [inline] grow_dev_page fs/buffer.c:946 [inline] grow_buffers fs/buffer.c:1011 [inline] __getblk_slow fs/buffer.c:1038 [inline] __getblk_gfp+0x1dc/0x874 fs/buffer.c:1333 __bread_gfp+0x3c/0x2ec fs/buffer.c:1367 sb_bread include/linux/buffer_head.h:338 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1348 fs/sysv/itree.c:218 block_read_full_folio+0x2f4/0x98c fs/buffer.c:2271 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:461 filemap_read_folio+0x14c/0x39c mm/filemap.c:2407 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3535 do_read_cache_page mm/filemap.c:3577 [inline] read_cache_page+0x6c/0x180 mm/filemap.c:3586 read_mapping_page include/linux/pagemap.h:756 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x170/0x5a8 fs/sysv/dir.c:146 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:360 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 __lookup_slow+0x250/0x374 fs/namei.c:1685 lookup_slow+0x60/0x84 fs/namei.c:1702 walk_component fs/namei.c:1993 [inline] link_path_walk+0x830/0xcc8 fs/namei.c:2320 path_openat+0x1c8/0x2548 fs/namei.c:3710 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 BUG: sleeping function called from invalid context at fs/buffer.c:1331 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4216, name: syz-executor421 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor421/4216: #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1701 #1: ffff800015a21ab8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x140/0x1348 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x140/0x1348 fs/sysv/itree.c:217 CPU: 0 PID: 4216 Comm: syz-executor421 Tainted: G W 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 __might_resched+0x37c/0x4d8 kernel/sched/core.c:9941 __might_sleep+0x90/0xe4 kernel/sched/core.c:9870 __getblk_gfp+0x5c/0x874 fs/buffer.c:1331 __bread_gfp+0x3c/0x2ec fs/buffer.c:1367 sb_bread include/linux/buffer_head.h:338 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1348 fs/sysv/itree.c:218 block_read_full_folio+0x2f4/0x98c fs/buffer.c:2271 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:461 filemap_read_folio+0x14c/0x39c mm/filemap.c:2407 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3535 do_read_cache_page mm/filemap.c:3577 [inline] read_cache_page+0x6c/0x180 mm/filemap.c:3586 read_mapping_page include/linux/pagemap.h:756 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x170/0x5a8 fs/sysv/dir.c:146 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:360 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 __lookup_slow+0x250/0x374 fs/namei.c:1685 lookup_slow+0x60/0x84 fs/namei.c:1702 walk_component fs/namei.c:1993 [inline] link_path_walk+0x830/0xcc8 fs/namei.c:2320 path_openat+0x1c8/0x2548 fs/namei.c:3710 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 BUG: sleeping function called from invalid context at include/linux/pagemap.h:937 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4216, name: syz-executor421 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor421/4216: #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1701 #1: ffff800015a21ab8 (pointers_lock){.+.+}-{2:2}, at: get_block+0x140/0x1348 fs/sysv/itree.c:217 Preemption disabled at: [] get_block+0x140/0x1348 fs/sysv/itree.c:217 CPU: 0 PID: 4216 Comm: syz-executor421 Tainted: G W 6.1.29-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 04/28/2023 Call trace: dump_backtrace+0x1c8/0x1f4 arch/arm64/kernel/stacktrace.c:158 show_stack+0x2c/0x3c arch/arm64/kernel/stacktrace.c:165 __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x108/0x170 lib/dump_stack.c:106 dump_stack+0x1c/0x5c lib/dump_stack.c:113 __might_resched+0x37c/0x4d8 kernel/sched/core.c:9941 __might_sleep+0x90/0xe4 kernel/sched/core.c:9870 folio_lock include/linux/pagemap.h:937 [inline] __filemap_get_folio+0x47c/0xb6c mm/filemap.c:1931 pagecache_get_page+0x3c/0x16c mm/folio-compat.c:110 find_or_create_page include/linux/pagemap.h:613 [inline] grow_dev_page fs/buffer.c:946 [inline] grow_buffers fs/buffer.c:1011 [inline] __getblk_slow fs/buffer.c:1038 [inline] __getblk_gfp+0x1dc/0x874 fs/buffer.c:1333 __bread_gfp+0x3c/0x2ec fs/buffer.c:1367 sb_bread include/linux/buffer_head.h:338 [inline] get_branch+0x234/0x55c fs/sysv/itree.c:104 get_block+0x15c/0x1348 fs/sysv/itree.c:218 block_read_full_folio+0x2f4/0x98c fs/buffer.c:2271 sysv_read_folio+0x28/0x38 fs/sysv/itree.c:461 filemap_read_folio+0x14c/0x39c mm/filemap.c:2407 do_read_cache_folio+0x24c/0x544 mm/filemap.c:3535 do_read_cache_page mm/filemap.c:3577 [inline] read_cache_page+0x6c/0x180 mm/filemap.c:3586 read_mapping_page include/linux/pagemap.h:756 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x170/0x5a8 fs/sysv/dir.c:146 sysv_inode_by_name+0xa0/0x330 fs/sysv/dir.c:360 sysv_lookup+0x74/0xe4 fs/sysv/namei.c:38 __lookup_slow+0x250/0x374 fs/namei.c:1685 lookup_slow+0x60/0x84 fs/namei.c:1702 walk_component fs/namei.c:1993 [inline] link_path_walk+0x830/0xcc8 fs/namei.c:2320 path_openat+0x1c8/0x2548 fs/namei.c:3710 do_filp_open+0x1bc/0x3cc fs/namei.c:3741 do_sys_openat2+0x128/0x3d8 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_openat fs/open.c:1342 [inline] __se_sys_openat fs/open.c:1337 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1337 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall+0x98/0x2c0 arch/arm64/kernel/syscall.c:52 el0_svc_common+0x138/0x258 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x64/0x218 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x168 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 BUG: sleeping function called from invalid context at fs/buffer.c:1331 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 4216, name: syz-executor421 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 2 locks held by syz-executor421/4216: #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:766 [inline] #0: ffff0000df124188 (&type->i_mutex_dir_key#6){.+.+}-{3:3}, at: lookup_slow+0x50/0x84 fs/namei.c:1701