attempt to access beyond end of device loop4: rw=0, want=26932836, limit=128 Buffer I/O error on dev loop4, logical block 13466417, async page read attempt to access beyond end of device loop4: rw=0, want=16147214, limit=128 Buffer I/O error on dev loop4, logical block 8073606, async page read BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8748, name: syz-executor.4 2 locks held by syz-executor.4/8748: #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 #1: ffffffff8cb96178 (pointers_lock){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 8748 Comm: syz-executor.4 Not tainted 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x181/0x1750 fs/sysv/itree.c:222 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_slow+0x275/0x3d0 fs/namei.c:1663 lookup_slow+0x53/0x70 fs/namei.c:1680 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 do_linkat+0x172/0x9d0 fs/namei.c:4608 __do_sys_linkat fs/namei.c:4656 [inline] __se_sys_linkat fs/namei.c:4653 [inline] __x64_sys_linkat+0xd9/0xf0 fs/namei.c:4653 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fea18a33e69 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:00007fea16fa60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000109 RAX: ffffffffffffffda RBX: 00007fea18b61f80 RCX: 00007fea18a33e69 RDX: 0000000000000045 RSI: 0000000020000240 RDI: 0000000000000045 RBP: 00007fea18a8047a R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fea18b61f80 R15: 00007ffc62f31a78 attempt to access beyond end of device loop4: rw=0, want=6491550, limit=128 Buffer I/O error on dev loop4, logical block 3245774, async page read attempt to access beyond end of device loop4: rw=0, want=17669880, limit=128 Buffer I/O error on dev loop4, logical block 8834939, async page read BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8748, name: syz-executor.4 2 locks held by syz-executor.4/8748: #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 #1: ffffffff8cb96178 (pointers_lock){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 8748 Comm: syz-executor.4 Tainted: G W 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x181/0x1750 fs/sysv/itree.c:222 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_slow+0x275/0x3d0 fs/namei.c:1663 lookup_slow+0x53/0x70 fs/namei.c:1680 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 do_linkat+0x172/0x9d0 fs/namei.c:4608 __do_sys_linkat fs/namei.c:4656 [inline] __se_sys_linkat fs/namei.c:4653 [inline] __x64_sys_linkat+0xd9/0xf0 fs/namei.c:4653 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fea18a33e69 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:00007fea16fa60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000109 RAX: ffffffffffffffda RBX: 00007fea18b61f80 RCX: 00007fea18a33e69 RDX: 0000000000000045 RSI: 0000000020000240 RDI: 0000000000000045 RBP: 00007fea18a8047a R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fea18b61f80 R15: 00007ffc62f31a78 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8748, name: syz-executor.4 2 locks held by syz-executor.4/8748: #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 #1: ffffffff8cb96178 (pointers_lock){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 8748 Comm: syz-executor.4 Tainted: G W 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x181/0x1750 fs/sysv/itree.c:222 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_slow+0x275/0x3d0 fs/namei.c:1663 lookup_slow+0x53/0x70 fs/namei.c:1680 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 do_linkat+0x172/0x9d0 fs/namei.c:4608 __do_sys_linkat fs/namei.c:4656 [inline] __se_sys_linkat fs/namei.c:4653 [inline] __x64_sys_linkat+0xd9/0xf0 fs/namei.c:4653 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fea18a33e69 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:00007fea16fa60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000109 RAX: ffffffffffffffda RBX: 00007fea18b61f80 RCX: 00007fea18a33e69 RDX: 0000000000000045 RSI: 0000000020000240 RDI: 0000000000000045 RBP: 00007fea18a8047a R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fea18b61f80 R15: 00007ffc62f31a78 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8748, name: syz-executor.4 2 locks held by syz-executor.4/8748: #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 #1: ffffffff8cb96178 (pointers_lock){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 8748 Comm: syz-executor.4 Tainted: G W 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x181/0x1750 fs/sysv/itree.c:222 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_slow+0x275/0x3d0 fs/namei.c:1663 lookup_slow+0x53/0x70 fs/namei.c:1680 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 do_linkat+0x172/0x9d0 fs/namei.c:4608 __do_sys_linkat fs/namei.c:4656 [inline] __se_sys_linkat fs/namei.c:4653 [inline] __x64_sys_linkat+0xd9/0xf0 fs/namei.c:4653 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fea18a33e69 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:00007fea16fa60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000109 RAX: ffffffffffffffda RBX: 00007fea18b61f80 RCX: 00007fea18a33e69 RDX: 0000000000000045 RSI: 0000000020000240 RDI: 0000000000000045 RBP: 00007fea18a8047a R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fea18b61f80 R15: 00007ffc62f31a78 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8748, name: syz-executor.4 2 locks held by syz-executor.4/8748: #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 #1: ffffffff8cb96178 (pointers_lock){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 8748 Comm: syz-executor.4 Tainted: G W 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x181/0x1750 fs/sysv/itree.c:222 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_slow+0x275/0x3d0 fs/namei.c:1663 lookup_slow+0x53/0x70 fs/namei.c:1680 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 do_linkat+0x172/0x9d0 fs/namei.c:4608 __do_sys_linkat fs/namei.c:4656 [inline] __se_sys_linkat fs/namei.c:4653 [inline] __x64_sys_linkat+0xd9/0xf0 fs/namei.c:4653 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fea18a33e69 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:00007fea16fa60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000109 RAX: ffffffffffffffda RBX: 00007fea18b61f80 RCX: 00007fea18a33e69 RDX: 0000000000000045 RSI: 0000000020000240 RDI: 0000000000000045 RBP: 00007fea18a8047a R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fea18b61f80 R15: 00007ffc62f31a78 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8748, name: syz-executor.4 2 locks held by syz-executor.4/8748: #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 #1: ffffffff8cb96178 (pointers_lock){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 8748 Comm: syz-executor.4 Tainted: G W 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x181/0x1750 fs/sysv/itree.c:222 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_slow+0x275/0x3d0 fs/namei.c:1663 lookup_slow+0x53/0x70 fs/namei.c:1680 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 do_linkat+0x172/0x9d0 fs/namei.c:4608 __do_sys_linkat fs/namei.c:4656 [inline] __se_sys_linkat fs/namei.c:4653 [inline] __x64_sys_linkat+0xd9/0xf0 fs/namei.c:4653 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fea18a33e69 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:00007fea16fa60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000109 RAX: ffffffffffffffda RBX: 00007fea18b61f80 RCX: 00007fea18a33e69 RDX: 0000000000000045 RSI: 0000000020000240 RDI: 0000000000000045 RBP: 00007fea18a8047a R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fea18b61f80 R15: 00007ffc62f31a78 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8748, name: syz-executor.4 2 locks held by syz-executor.4/8748: #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 #1: ffffffff8cb96178 (pointers_lock){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 8748 Comm: syz-executor.4 Tainted: G W 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x181/0x1750 fs/sysv/itree.c:222 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_slow+0x275/0x3d0 fs/namei.c:1663 lookup_slow+0x53/0x70 fs/namei.c:1680 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 do_linkat+0x172/0x9d0 fs/namei.c:4608 __do_sys_linkat fs/namei.c:4656 [inline] __se_sys_linkat fs/namei.c:4653 [inline] __x64_sys_linkat+0xd9/0xf0 fs/namei.c:4653 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fea18a33e69 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:00007fea16fa60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000109 RAX: ffffffffffffffda RBX: 00007fea18b61f80 RCX: 00007fea18a33e69 RDX: 0000000000000045 RSI: 0000000020000240 RDI: 0000000000000045 RBP: 00007fea18a8047a R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fea18b61f80 R15: 00007ffc62f31a78 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8748, name: syz-executor.4 2 locks held by syz-executor.4/8748: #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 #1: ffffffff8cb96178 (pointers_lock){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 8748 Comm: syz-executor.4 Tainted: G W 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x181/0x1750 fs/sysv/itree.c:222 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_slow+0x275/0x3d0 fs/namei.c:1663 lookup_slow+0x53/0x70 fs/namei.c:1680 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 do_linkat+0x172/0x9d0 fs/namei.c:4608 __do_sys_linkat fs/namei.c:4656 [inline] __se_sys_linkat fs/namei.c:4653 [inline] __x64_sys_linkat+0xd9/0xf0 fs/namei.c:4653 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fea18a33e69 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:00007fea16fa60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000109 RAX: ffffffffffffffda RBX: 00007fea18b61f80 RCX: 00007fea18a33e69 RDX: 0000000000000045 RSI: 0000000020000240 RDI: 0000000000000045 RBP: 00007fea18a8047a R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fea18b61f80 R15: 00007ffc62f31a78 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8748, name: syz-executor.4 2 locks held by syz-executor.4/8748: #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 #1: ffffffff8cb96178 (pointers_lock){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 0 PID: 8748 Comm: syz-executor.4 Tainted: G W 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x181/0x1750 fs/sysv/itree.c:222 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_slow+0x275/0x3d0 fs/namei.c:1663 lookup_slow+0x53/0x70 fs/namei.c:1680 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 do_linkat+0x172/0x9d0 fs/namei.c:4608 __do_sys_linkat fs/namei.c:4656 [inline] __se_sys_linkat fs/namei.c:4653 [inline] __x64_sys_linkat+0xd9/0xf0 fs/namei.c:4653 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fea18a33e69 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:00007fea16fa60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000109 RAX: ffffffffffffffda RBX: 00007fea18b61f80 RCX: 00007fea18a33e69 RDX: 0000000000000045 RSI: 0000000020000240 RDI: 0000000000000045 RBP: 00007fea18a8047a R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fea18b61f80 R15: 00007ffc62f31a78 BUG: sleeping function called from invalid context at fs/buffer.c:1334 in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 8748, name: syz-executor.4 2 locks held by syz-executor.4/8748: #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: inode_lock_shared include/linux/fs.h:799 [inline] #0: ffff88805da18188 (&type->i_mutex_dir_key#25){.+.+}-{3:3}, at: lookup_slow+0x45/0x70 fs/namei.c:1679 #1: ffffffff8cb96178 (pointers_lock){.+.+}-{2:2}, at: get_block+0x163/0x1750 fs/sysv/itree.c:221 Preemption disabled at: [<0000000000000000>] 0x0 CPU: 1 PID: 8748 Comm: syz-executor.4 Tainted: G W 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2cb lib/dump_stack.c:106 ___might_sleep+0x547/0x6a0 kernel/sched/core.c:9626 __getblk_gfp+0x43/0xaf0 fs/buffer.c:1334 __bread_gfp+0x2a/0x390 fs/buffer.c:1381 sb_bread include/linux/buffer_head.h:337 [inline] get_branch+0x2af/0x660 fs/sysv/itree.c:104 get_block+0x181/0x1750 fs/sysv/itree.c:222 block_read_full_page+0x2f9/0xde0 fs/buffer.c:2290 do_read_cache_page+0x752/0x1040 read_mapping_page include/linux/pagemap.h:515 [inline] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x1b0/0x650 fs/sysv/dir.c:146 sysv_inode_by_name+0x9e/0x3f0 fs/sysv/dir.c:360 sysv_lookup+0x63/0xe0 fs/sysv/namei.c:38 __lookup_slow+0x275/0x3d0 fs/namei.c:1663 lookup_slow+0x53/0x70 fs/namei.c:1680 walk_component+0x48c/0x610 fs/namei.c:1976 lookup_last fs/namei.c:2431 [inline] path_lookupat+0x16f/0x450 fs/namei.c:2455 filename_lookup+0x230/0x5c0 fs/namei.c:2484 do_linkat+0x172/0x9d0 fs/namei.c:4608 __do_sys_linkat fs/namei.c:4656 [inline] __se_sys_linkat fs/namei.c:4653 [inline] __x64_sys_linkat+0xd9/0xf0 fs/namei.c:4653 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7fea18a33e69 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:00007fea16fa60c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000109 RAX: ffffffffffffffda RBX: 00007fea18b61f80 RCX: 00007fea18a33e69 RDX: 0000000000000045 RSI: 0000000020000240 RDI: 0000000000000045 RBP: 00007fea18a8047a R08: 0000000000001000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007fea18b61f80 R15: 00007ffc62f31a78