------------[ cut here ]------------ WARNING: CPU: 0 PID: 18982 at fs/attr.c:211 notify_change2+0xae2/0xd90 fs/attr.c:211 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 18982 Comm: syz-executor.3 Not tainted 4.9.182+ #1 ffff8801c776f700 ffffffff81b57e21 0000000000000000 ffffffff82a3a960 00000000ffffffff 0000000000000000 0000000000000009 ffff8801c776f7e0 ffffffff813fd5da 0000000041b58ab3 ffffffff82e313da ffffffff813fd401 Call Trace: [<000000006314597b>] __dump_stack lib/dump_stack.c:15 [inline] [<000000006314597b>] dump_stack+0xc1/0x120 lib/dump_stack.c:51 [<000000009e6cd866>] panic+0x1d9/0x3bd kernel/panic.c:180 [<000000005fb42b64>] __warn.cold+0x2f/0x2f kernel/panic.c:546 [<0000000040695127>] warn_slowpath_null+0x2d/0x40 kernel/panic.c:589 [<00000000110d5cc3>] notify_change2+0xae2/0xd90 fs/attr.c:211 [<0000000062515771>] __remove_privs fs/inode.c:1793 [inline] [<0000000062515771>] file_remove_privs+0x285/0x4b0 fs/inode.c:1815 [<00000000d5c12104>] __generic_file_write_iter+0x157/0x530 mm/filemap.c:3010 [<0000000053364846>] blkdev_write_iter fs/block_dev.c:1726 [inline] [<0000000053364846>] blkdev_write_iter+0x1bb/0x370 fs/block_dev.c:1706 [<000000003d77bd1c>] do_iter_readv_writev+0x3d9/0x4b0 fs/read_write.c:698 [<00000000a3f24210>] do_readv_writev+0x2ed/0x7a0 fs/read_write.c:874 [<0000000034365ff0>] vfs_writev+0x89/0xc0 fs/read_write.c:913 [<000000009aa581b7>] do_pwritev+0x19b/0x240 fs/read_write.c:1000 [<000000006168e12a>] SYSC_pwritev fs/read_write.c:1047 [inline] [<000000006168e12a>] SyS_pwritev+0x31/0x40 fs/read_write.c:1042 [<000000008fc00297>] do_syscall_64+0x1ad/0x5c0 arch/x86/entry/common.c:288 [<00000000c4c2dc9e>] entry_SYSCALL_64_after_swapgs+0x5d/0xdb Kernel Offset: disabled Rebooting in 86400 seconds..