syz-executor.4: attempt to access beyond end of device loop4: rw=0, sector=8073605, nr_sectors = 1 limit=128 Buffer I/O error on dev loop4, 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: 14398, name: syz-executor.4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.4/14398: #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3552 [inline] #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: path_openat+0x197e/0x29c0 fs/namei.c:3793 #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: open_last_lookups fs/namei.c:3560 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: path_openat+0x8c9/0x29c0 fs/namei.c:3793 #2: ffffffff8cfc7758 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 14398 Comm: syz-executor.4 Not tainted 6.6.0-rc4-syzkaller-00031-gba7d997a2a29 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187 __getblk_gfp fs/buffer.c:1437 [inline] __bread_gfp+0x3f/0x310 fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742 do_read_cache_page mm/filemap.c:3808 [inline] read_cache_page+0x5b/0x230 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+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x8dc/0x1360 fs/namei.c:3473 open_last_lookups fs/namei.c:3563 [inline] path_openat+0x931/0x29c0 fs/namei.c:3793 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_creat fs/open.c:1513 [inline] __se_sys_creat fs/open.c:1507 [inline] __x64_sys_creat+0xcd/0x120 fs/open.c:1507 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fae14c7cae9 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:00007fae1597a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fae14d9bf80 RCX: 00007fae14c7cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fae14cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fae14d9bf80 R15: 00007ffec9dc3cf8 syz-executor.4: attempt to access beyond end of device loop4: rw=0, sector=3245518, nr_sectors = 1 limit=128 Buffer I/O error on dev loop4, logical block 3245518, async page read syz-executor.4: attempt to access beyond end of device loop4: rw=0, sector=8769403, nr_sectors = 1 limit=128 Buffer I/O error on dev loop4, logical block 8769403, 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: 14398, name: syz-executor.4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.4/14398: #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3552 [inline] #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: path_openat+0x197e/0x29c0 fs/namei.c:3793 #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: open_last_lookups fs/namei.c:3560 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: path_openat+0x8c9/0x29c0 fs/namei.c:3793 #2: ffffffff8cfc7758 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 14398 Comm: syz-executor.4 Tainted: G W 6.6.0-rc4-syzkaller-00031-gba7d997a2a29 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187 __getblk_gfp fs/buffer.c:1437 [inline] __bread_gfp+0x3f/0x310 fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742 do_read_cache_page mm/filemap.c:3808 [inline] read_cache_page+0x5b/0x230 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+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x8dc/0x1360 fs/namei.c:3473 open_last_lookups fs/namei.c:3563 [inline] path_openat+0x931/0x29c0 fs/namei.c:3793 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_creat fs/open.c:1513 [inline] __se_sys_creat fs/open.c:1507 [inline] __x64_sys_creat+0xcd/0x120 fs/open.c:1507 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fae14c7cae9 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:00007fae1597a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fae14d9bf80 RCX: 00007fae14c7cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fae14cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fae14d9bf80 R15: 00007ffec9dc3cf8 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 14398, name: syz-executor.4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.4/14398: #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3552 [inline] #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: path_openat+0x197e/0x29c0 fs/namei.c:3793 #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: open_last_lookups fs/namei.c:3560 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: path_openat+0x8c9/0x29c0 fs/namei.c:3793 #2: ffffffff8cfc7758 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 14398 Comm: syz-executor.4 Tainted: G W 6.6.0-rc4-syzkaller-00031-gba7d997a2a29 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187 __getblk_gfp fs/buffer.c:1437 [inline] __bread_gfp+0x3f/0x310 fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742 do_read_cache_page mm/filemap.c:3808 [inline] read_cache_page+0x5b/0x230 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+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x8dc/0x1360 fs/namei.c:3473 open_last_lookups fs/namei.c:3563 [inline] path_openat+0x931/0x29c0 fs/namei.c:3793 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_creat fs/open.c:1513 [inline] __se_sys_creat fs/open.c:1507 [inline] __x64_sys_creat+0xcd/0x120 fs/open.c:1507 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fae14c7cae9 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:00007fae1597a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fae14d9bf80 RCX: 00007fae14c7cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fae14cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fae14d9bf80 R15: 00007ffec9dc3cf8 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 14398, name: syz-executor.4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.4/14398: #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3552 [inline] #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: path_openat+0x197e/0x29c0 fs/namei.c:3793 #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: open_last_lookups fs/namei.c:3560 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: path_openat+0x8c9/0x29c0 fs/namei.c:3793 #2: ffffffff8cfc7758 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 14398 Comm: syz-executor.4 Tainted: G W 6.6.0-rc4-syzkaller-00031-gba7d997a2a29 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187 __getblk_gfp fs/buffer.c:1437 [inline] __bread_gfp+0x3f/0x310 fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742 do_read_cache_page mm/filemap.c:3808 [inline] read_cache_page+0x5b/0x230 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+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x8dc/0x1360 fs/namei.c:3473 open_last_lookups fs/namei.c:3563 [inline] path_openat+0x931/0x29c0 fs/namei.c:3793 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_creat fs/open.c:1513 [inline] __se_sys_creat fs/open.c:1507 [inline] __x64_sys_creat+0xcd/0x120 fs/open.c:1507 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fae14c7cae9 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:00007fae1597a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fae14d9bf80 RCX: 00007fae14c7cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fae14cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fae14d9bf80 R15: 00007ffec9dc3cf8 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 14398, name: syz-executor.4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.4/14398: #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3552 [inline] #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: path_openat+0x197e/0x29c0 fs/namei.c:3793 #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: open_last_lookups fs/namei.c:3560 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: path_openat+0x8c9/0x29c0 fs/namei.c:3793 #2: ffffffff8cfc7758 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 14398 Comm: syz-executor.4 Tainted: G W 6.6.0-rc4-syzkaller-00031-gba7d997a2a29 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187 __getblk_gfp fs/buffer.c:1437 [inline] __bread_gfp+0x3f/0x310 fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742 do_read_cache_page mm/filemap.c:3808 [inline] read_cache_page+0x5b/0x230 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+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x8dc/0x1360 fs/namei.c:3473 open_last_lookups fs/namei.c:3563 [inline] path_openat+0x931/0x29c0 fs/namei.c:3793 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_creat fs/open.c:1513 [inline] __se_sys_creat fs/open.c:1507 [inline] __x64_sys_creat+0xcd/0x120 fs/open.c:1507 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fae14c7cae9 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:00007fae1597a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fae14d9bf80 RCX: 00007fae14c7cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fae14cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fae14d9bf80 R15: 00007ffec9dc3cf8 BUG: sleeping function called from invalid context at include/linux/pagemap.h:1040 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 14398, name: syz-executor.4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.4/14398: #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3552 [inline] #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: path_openat+0x197e/0x29c0 fs/namei.c:3793 #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: open_last_lookups fs/namei.c:3560 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: path_openat+0x8c9/0x29c0 fs/namei.c:3793 #2: ffffffff8cfc7758 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 14398 Comm: syz-executor.4 Tainted: G W 6.6.0-rc4-syzkaller-00031-gba7d997a2a29 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187 folio_lock include/linux/pagemap.h:1040 [inline] __filemap_get_folio+0x64c/0xbc0 mm/filemap.c:1882 grow_dev_page fs/buffer.c:1058 [inline] grow_buffers fs/buffer.c:1118 [inline] __getblk_slow+0x1fb/0x720 fs/buffer.c:1145 __getblk_gfp fs/buffer.c:1439 [inline] __bread_gfp+0x215/0x310 fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742 do_read_cache_page mm/filemap.c:3808 [inline] read_cache_page+0x5b/0x230 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+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x8dc/0x1360 fs/namei.c:3473 open_last_lookups fs/namei.c:3563 [inline] path_openat+0x931/0x29c0 fs/namei.c:3793 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_creat fs/open.c:1513 [inline] __se_sys_creat fs/open.c:1507 [inline] __x64_sys_creat+0xcd/0x120 fs/open.c:1507 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fae14c7cae9 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:00007fae1597a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fae14d9bf80 RCX: 00007fae14c7cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fae14cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fae14d9bf80 R15: 00007ffec9dc3cf8 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 14398, name: syz-executor.4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.4/14398: #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3552 [inline] #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: path_openat+0x197e/0x29c0 fs/namei.c:3793 #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: open_last_lookups fs/namei.c:3560 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: path_openat+0x8c9/0x29c0 fs/namei.c:3793 #2: ffffffff8cfc7758 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 14398 Comm: syz-executor.4 Tainted: G W 6.6.0-rc4-syzkaller-00031-gba7d997a2a29 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187 __getblk_gfp fs/buffer.c:1437 [inline] __bread_gfp+0x3f/0x310 fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742 do_read_cache_page mm/filemap.c:3808 [inline] read_cache_page+0x5b/0x230 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+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x8dc/0x1360 fs/namei.c:3473 open_last_lookups fs/namei.c:3563 [inline] path_openat+0x931/0x29c0 fs/namei.c:3793 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_creat fs/open.c:1513 [inline] __se_sys_creat fs/open.c:1507 [inline] __x64_sys_creat+0xcd/0x120 fs/open.c:1507 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fae14c7cae9 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:00007fae1597a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fae14d9bf80 RCX: 00007fae14c7cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fae14cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fae14d9bf80 R15: 00007ffec9dc3cf8 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 14398, name: syz-executor.4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.4/14398: #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3552 [inline] #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: path_openat+0x197e/0x29c0 fs/namei.c:3793 #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: open_last_lookups fs/namei.c:3560 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: path_openat+0x8c9/0x29c0 fs/namei.c:3793 #2: ffffffff8cfc7758 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 14398 Comm: syz-executor.4 Tainted: G W 6.6.0-rc4-syzkaller-00031-gba7d997a2a29 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187 __getblk_gfp fs/buffer.c:1437 [inline] __bread_gfp+0x3f/0x310 fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742 do_read_cache_page mm/filemap.c:3808 [inline] read_cache_page+0x5b/0x230 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+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x8dc/0x1360 fs/namei.c:3473 open_last_lookups fs/namei.c:3563 [inline] path_openat+0x931/0x29c0 fs/namei.c:3793 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_creat fs/open.c:1513 [inline] __se_sys_creat fs/open.c:1507 [inline] __x64_sys_creat+0xcd/0x120 fs/open.c:1507 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fae14c7cae9 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:00007fae1597a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fae14d9bf80 RCX: 00007fae14c7cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fae14cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fae14d9bf80 R15: 00007ffec9dc3cf8 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 14398, name: syz-executor.4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.4/14398: #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3552 [inline] #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: path_openat+0x197e/0x29c0 fs/namei.c:3793 #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: open_last_lookups fs/namei.c:3560 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: path_openat+0x8c9/0x29c0 fs/namei.c:3793 #2: ffffffff8cfc7758 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 14398 Comm: syz-executor.4 Tainted: G W 6.6.0-rc4-syzkaller-00031-gba7d997a2a29 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187 __getblk_gfp fs/buffer.c:1437 [inline] __bread_gfp+0x3f/0x310 fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742 do_read_cache_page mm/filemap.c:3808 [inline] read_cache_page+0x5b/0x230 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+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x8dc/0x1360 fs/namei.c:3473 open_last_lookups fs/namei.c:3563 [inline] path_openat+0x931/0x29c0 fs/namei.c:3793 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_creat fs/open.c:1513 [inline] __se_sys_creat fs/open.c:1507 [inline] __x64_sys_creat+0xcd/0x120 fs/open.c:1507 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fae14c7cae9 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:00007fae1597a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fae14d9bf80 RCX: 00007fae14c7cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fae14cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fae14d9bf80 R15: 00007ffec9dc3cf8 BUG: sleeping function called from invalid context at fs/buffer.c:1437 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 14398, name: syz-executor.4 preempt_count: 1, expected: 0 RCU nest depth: 0, expected: 0 3 locks held by syz-executor.4/14398: #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: open_last_lookups fs/namei.c:3552 [inline] #0: ffff88802569e410 (sb_writers#19){.+.+}-{0:0}, at: path_openat+0x197e/0x29c0 fs/namei.c:3793 #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: inode_lock include/linux/fs.h:802 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: open_last_lookups fs/namei.c:3560 [inline] #1: ffff8880747ae680 (&type->i_mutex_dir_key#11){++++}-{3:3}, at: path_openat+0x8c9/0x29c0 fs/namei.c:3793 #2: ffffffff8cfc7758 (pointers_lock){.+.+}-{2:2}, at: get_block+0x18f/0x14f0 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 14398 Comm: syz-executor.4 Tainted: G W 6.6.0-rc4-syzkaller-00031-gba7d997a2a29 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/06/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x125/0x1b0 lib/dump_stack.c:106 __might_resched+0x3c3/0x5e0 kernel/sched/core.c:10187 __getblk_gfp fs/buffer.c:1437 [inline] __bread_gfp+0x3f/0x310 fs/buffer.c:1473 sb_bread include/linux/buffer_head.h:326 [inline] get_branch+0x2cb/0x660 fs/sysv/itree.c:104 get_block+0x1ad/0x14f0 fs/sysv/itree.c:222 block_read_full_folio+0x3df/0xae0 fs/buffer.c:2400 filemap_read_folio+0xe9/0x2c0 mm/filemap.c:2382 do_read_cache_folio+0x205/0x540 mm/filemap.c:3742 do_read_cache_page mm/filemap.c:3808 [inline] read_cache_page+0x5b/0x230 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+0x1db/0x480 fs/sysv/dir.c:157 sysv_inode_by_name+0x74/0x1c0 fs/sysv/dir.c:374 sysv_lookup fs/sysv/namei.c:38 [inline] sysv_lookup+0x88/0x100 fs/sysv/namei.c:31 lookup_open.isra.0+0x8dc/0x1360 fs/namei.c:3473 open_last_lookups fs/namei.c:3563 [inline] path_openat+0x931/0x29c0 fs/namei.c:3793 do_filp_open+0x1de/0x430 fs/namei.c:3823 do_sys_openat2+0x176/0x1e0 fs/open.c:1422 do_sys_open fs/open.c:1437 [inline] __do_sys_creat fs/open.c:1513 [inline] __se_sys_creat fs/open.c:1507 [inline] __x64_sys_creat+0xcd/0x120 fs/open.c:1507 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x38/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fae14c7cae9 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:00007fae1597a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007fae14d9bf80 RCX: 00007fae14c7cae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000040 RBP: 00007fae14cc847a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fae14d9bf80 R15: 00007ffec9dc3cf8