BUG: sleeping function called from invalid context at fs/buffer.c:1381 in_atomic(): 1, irqs_disabled(): 0, pid: 10992, name: syz-executor.4 3 locks held by syz-executor.4/10992: process 'syz-executor.2' launched './file0' with NULL argv: empty string added #0: (sb_writers#21){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#21){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&sb->s_type->i_mutex_key#27){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #1: (&sb->s_type->i_mutex_key#27){+.+.}, at: [] do_truncate+0xf0/0x1a0 fs/open.c:61 #2: (pointers_lock){.+.+}, at: [] get_block+0x153/0x1230 fs/sysv/itree.c:217 Preemption disabled at: [< (null)>] (null) CPU: 1 PID: 10992 Comm: syz-executor.4 Not tainted 4.14.305-syzkaller #0 netlink: 755 bytes leftover after parsing attributes in process `syz-executor.5'. Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6040 __getblk_gfp fs/buffer.c:1381 [inline] __bread_gfp+0x3e/0x2e0 fs/buffer.c:1428 sb_bread include/linux/buffer_head.h:343 [inline] get_branch+0x2ac/0x600 fs/sysv/itree.c:104 get_block+0x176/0x1230 fs/sysv/itree.c:218 netlink: 755 bytes leftover after parsing attributes in process `syz-executor.5'. block_truncate_page+0x2a8/0x8f0 fs/buffer.c:2944 sysv_truncate+0x1c4/0xd70 fs/sysv/itree.c:383 sysv_setattr+0x115/0x180 fs/sysv/file.c:47 notify_change+0x56b/0xd10 fs/attr.c:315 do_truncate+0xff/0x1a0 fs/open.c:63 vfs_truncate+0x456/0x680 fs/open.c:120 do_sys_truncate.part.0+0xdc/0xf0 fs/open.c:143 do_sys_truncate fs/open.c:137 [inline] SYSC_truncate fs/open.c:155 [inline] SyS_truncate+0x23/0x40 fs/open.c:153 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc8a760f0c9 RSP: 002b:00007fc8a5b81168 EFLAGS: 00000246 ORIG_RAX: 000000000000004c BTRFS: device fsid 24c7a497-3402-47dd-bef8-82358f5f30e0 RAX: ffffffffffffffda RBX: 00007fc8a772ef80 RCX: 00007fc8a760f0c9 RDX: 0000000000000000 RSI: 000000000000317b RDI: 00000000200001c0 RBP: 00007fc8a766aae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0371b87f R14: 00007fc8a5b81300 R15: 0000000000022000 netlink: 755 bytes leftover after parsing attributes in process `syz-executor.5'. devid 1 transid 8 /dev/loop1 BTRFS info (device loop1): using free space tree BTRFS info (device loop1): has skinny extents BUG: sleeping function called from invalid context at fs/buffer.c:1381 in_atomic(): 1, irqs_disabled(): 0, pid: 10992, name: syz-executor.4 3 locks held by syz-executor.4/10992: #0: (sb_writers#21){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#21){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&sb->s_type->i_mutex_key#27){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #1: (&sb->s_type->i_mutex_key#27){+.+.}, at: [] do_truncate+0xf0/0x1a0 fs/open.c:61 #2: (pointers_lock){++++}, at: [] find_shared fs/sysv/itree.c:290 [inline] #2: (pointers_lock){++++}, at: [] sysv_truncate+0x29c/0xd70 fs/sysv/itree.c:394 Preemption disabled at: [< (null)>] (null) CPU: 1 PID: 10992 Comm: syz-executor.4 Tainted: G W 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6040 __getblk_gfp fs/buffer.c:1381 [inline] __bread_gfp+0x3e/0x2e0 fs/buffer.c:1428 sb_bread include/linux/buffer_head.h:343 [inline] get_branch+0x2ac/0x600 fs/sysv/itree.c:104 find_shared fs/sysv/itree.c:291 [inline] sysv_truncate+0x2c2/0xd70 fs/sysv/itree.c:394 sysv_setattr+0x115/0x180 fs/sysv/file.c:47 notify_change+0x56b/0xd10 fs/attr.c:315 do_truncate+0xff/0x1a0 fs/open.c:63 vfs_truncate+0x456/0x680 fs/open.c:120 do_sys_truncate.part.0+0xdc/0xf0 fs/open.c:143 do_sys_truncate fs/open.c:137 [inline] SYSC_truncate fs/open.c:155 [inline] SyS_truncate+0x23/0x40 fs/open.c:153 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc8a760f0c9 RSP: 002b:00007fc8a5b81168 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007fc8a772ef80 RCX: 00007fc8a760f0c9 RDX: 0000000000000000 RSI: 000000000000317b RDI: 00000000200001c0 RBP: 00007fc8a766aae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0371b87f R14: 00007fc8a5b81300 R15: 0000000000022000 VFS: Found a Xenix FS (block size = 512) on device loop4 hid-generic 0000:0000:0000.0001: hidraw0: HID v0.00 Device [syz0] on syz0 VFS: Found a Xenix FS (block size = 512) on device loop4 VFS: Found a Xenix FS (block size = 512) on device loop4 BUG: sleeping function called from invalid context at fs/buffer.c:1381 in_atomic(): 1, irqs_disabled(): 0, pid: 11128, name: syz-executor.4 3 locks held by syz-executor.4/11128: #0: (sb_writers#21){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#21){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&sb->s_type->i_mutex_key#27){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #1: (&sb->s_type->i_mutex_key#27){+.+.}, at: [] do_truncate+0xf0/0x1a0 fs/open.c:61 #2: (pointers_lock){++++}, at: [] get_block+0x153/0x1230 fs/sysv/itree.c:217 Preemption disabled at: [< (null)>] (null) CPU: 1 PID: 11128 Comm: syz-executor.4 Tainted: G W 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6040 __getblk_gfp fs/buffer.c:1381 [inline] __bread_gfp+0x3e/0x2e0 fs/buffer.c:1428 sb_bread include/linux/buffer_head.h:343 [inline] get_branch+0x2ac/0x600 fs/sysv/itree.c:104 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. get_block+0x176/0x1230 fs/sysv/itree.c:218 block_truncate_page+0x2a8/0x8f0 fs/buffer.c:2944 sysv_truncate+0x1c4/0xd70 fs/sysv/itree.c:383 sysv_setattr+0x115/0x180 fs/sysv/file.c:47 notify_change+0x56b/0xd10 fs/attr.c:315 do_truncate+0xff/0x1a0 fs/open.c:63 vfs_truncate+0x456/0x680 fs/open.c:120 do_sys_truncate.part.0+0xdc/0xf0 fs/open.c:143 do_sys_truncate fs/open.c:137 [inline] SYSC_truncate fs/open.c:155 [inline] SyS_truncate+0x23/0x40 fs/open.c:153 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc8a760f0c9 RSP: 002b:00007fc8a5b81168 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007fc8a772ef80 RCX: 00007fc8a760f0c9 RDX: 0000000000000000 RSI: 000000000000317b RDI: 00000000200001c0 RBP: 00007fc8a766aae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0371b87f R14: 00007fc8a5b81300 R15: 0000000000022000 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. BUG: sleeping function called from invalid context at fs/buffer.c:1381 in_atomic(): 1, irqs_disabled(): 0, pid: 11128, name: syz-executor.4 3 locks held by syz-executor.4/11128: #0: (sb_writers#21){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#21){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&sb->s_type->i_mutex_key#27){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #1: (&sb->s_type->i_mutex_key#27){+.+.}, at: [] do_truncate+0xf0/0x1a0 fs/open.c:61 #2: (pointers_lock){++++}, at: [] find_shared fs/sysv/itree.c:290 [inline] #2: (pointers_lock){++++}, at: [] sysv_truncate+0x29c/0xd70 fs/sysv/itree.c:394 Preemption disabled at: [< (null)>] (null) CPU: 1 PID: 11128 Comm: syz-executor.4 Tainted: G W 4.14.305-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6040 __getblk_gfp fs/buffer.c:1381 [inline] __bread_gfp+0x3e/0x2e0 fs/buffer.c:1428 sb_bread include/linux/buffer_head.h:343 [inline] get_branch+0x2ac/0x600 fs/sysv/itree.c:104 find_shared fs/sysv/itree.c:291 [inline] sysv_truncate+0x2c2/0xd70 fs/sysv/itree.c:394 sysv_setattr+0x115/0x180 fs/sysv/file.c:47 notify_change+0x56b/0xd10 fs/attr.c:315 do_truncate+0xff/0x1a0 fs/open.c:63 vfs_truncate+0x456/0x680 fs/open.c:120 do_sys_truncate.part.0+0xdc/0xf0 fs/open.c:143 do_sys_truncate fs/open.c:137 [inline] SYSC_truncate fs/open.c:155 [inline] SyS_truncate+0x23/0x40 fs/open.c:153 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7fc8a760f0c9 RSP: 002b:00007fc8a5b81168 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007fc8a772ef80 RCX: 00007fc8a760f0c9 RDX: 0000000000000000 RSI: 000000000000317b RDI: 00000000200001c0 RBP: 00007fc8a766aae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0371b87f R14: 00007fc8a5b81300 R15: 0000000000022000 XFS (loop0): Mounting V4 Filesystem XFS (loop0): Ending clean mount XFS (loop0): Unmounting Filesystem netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. EXT4-fs warning (device loop2): ext4_fill_super:3598: metadata_csum and uninit_bg are redundant flags; please run fsck. EXT4-fs (loop2): VFS: Found ext4 filesystem with invalid superblock checksum. Run e2fsck?