INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 1 PID: 10195 Comm: syz-executor.4 Not tainted 4.14.307-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 register_lock_class+0x389/0x1180 kernel/locking/lockdep.c:768 __lock_acquire+0x167/0x3f20 kernel/locking/lockdep.c:3378 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 flush_work+0xad/0x770 kernel/workqueue.c:2890 __cancel_work_timer+0x321/0x460 kernel/workqueue.c:2965 smc_close_active+0x7e2/0xbb0 net/smc/smc_close.c:207 smc_release+0x3e1/0x5d0 net/smc/af_smc.c:131 __sock_release+0xcd/0x2b0 net/socket.c:602 sock_close+0x15/0x20 net/socket.c:1139 __fput+0x25f/0x7a0 fs/file_table.c:210 task_work_run+0x11f/0x190 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:191 [inline] exit_to_usermode_loop+0x1ad/0x200 arch/x86/entry/common.c:164 prepare_exit_to_usermode arch/x86/entry/common.c:199 [inline] syscall_return_slowpath arch/x86/entry/common.c:270 [inline] do_syscall_64+0x4a3/0x640 arch/x86/entry/common.c:297 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f3a4ee54fab RSP: 002b:00007ffede00c020 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 RAX: 0000000000000000 RBX: 0000000000000008 RCX: 00007f3a4ee54fab RDX: 0000000000000000 RSI: 0000001b2fc26780 RDI: 0000000000000007 RBP: 00007f3a4efc4980 R08: 0000000000000000 R09: 00000000259ca9a4 R10: 0000000000000000 R11: 0000000000000293 R12: 00000000000503b8 R13: 00007ffede00c120 R14: 00007ffede00c140 R15: 0000000000000032 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. BTRFS info (device loop2): disabling free space tree BTRFS info (device loop2): use zlib compression BTRFS info (device loop2): setting 16 feature flag BTRFS info (device loop2): use zstd compression BTRFS info (device loop2): max_inline at 0 BTRFS info (device loop2): enabling free space tree BTRFS info (device loop2): enabling inode map caching BTRFS info (device loop2): using free space tree BTRFS info (device loop2): has skinny extents audit: type=1804 audit(1677653932.800:2): pid=10175 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.2" name="/root/syzkaller-testdir2683530800/syzkaller.XXsgn0/40/bus/bus" dev="loop2" ino=263 res=1 audit: type=1804 audit(1677653932.820:3): pid=10175 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir2683530800/syzkaller.XXsgn0/40/bus/bus" dev="loop2" ino=263 res=1 audit: type=1804 audit(1677653932.820:4): pid=10175 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.2" name="/root/syzkaller-testdir2683530800/syzkaller.XXsgn0/40/bus/bus" dev="loop2" ino=263 res=1 netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. netlink: 24 bytes leftover after parsing attributes in process `syz-executor.0'. F2FS-fs (loop5): Mismatch start address, segment0(512) cp_blkaddr(605) F2FS-fs (loop5): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop5): invalid crc value F2FS-fs (loop4): Mismatch start address, segment0(512) cp_blkaddr(605) F2FS-fs (loop4): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop4): invalid crc value F2FS-fs (loop5): Found nat_bits in checkpoint F2FS-fs (loop4): Found nat_bits in checkpoint F2FS-fs (loop5): Mounted with checkpoint version = 753bd00b audit: type=1804 audit(1677653934.491:5): pid=10443 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir1513144832/syzkaller.okSI9x/49/bus/bus" dev="loop5" ino=4 res=1 F2FS-fs (loop4): Mounted with checkpoint version = 753bd00b audit: type=1804 audit(1677653934.491:6): pid=10443 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir1513144832/syzkaller.okSI9x/49/bus/bus" dev="loop5" ino=4 res=1 audit: type=1804 audit(1677653934.571:7): pid=10508 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir1513144832/syzkaller.okSI9x/49/bus/bus" dev="loop5" ino=4 res=1 syz-executor.4 (10451): drop_caches: 2 audit: type=1804 audit(1677653934.981:8): pid=10513 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir4050745335/syzkaller.96juGR/50/bus/bus" dev="loop3" ino=4 res=1 audit: type=1804 audit(1677653935.071:9): pid=10531 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.3" name="/root/syzkaller-testdir4050745335/syzkaller.96juGR/50/bus/bus" dev="loop3" ino=4 res=1 audit: type=1804 audit(1677653935.101:10): pid=10513 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir4050745335/syzkaller.96juGR/50/bus/bus" dev="loop3" ino=4 res=1 syz-executor.4 (10451): drop_caches: 2 audit: type=1800 audit(1677653935.391:11): pid=10540 uid=0 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.2" name="file2" dev="sda1" ino=13997 res=0 ====================================================== WARNING: the mand mount option is being deprecated and will be removed in v5.15! ====================================================== syz-executor.4 (10574): drop_caches: 2 syz-executor.4 (10574): drop_caches: 2 syz-executor.1 (10564): drop_caches: 2 syz-executor.1 (10564): drop_caches: 2 syz-executor.3 (10619): drop_caches: 2 syz-executor.3 (10619): drop_caches: 2 syz-executor.4 (10627): drop_caches: 2 syz-executor.4 (10627): drop_caches: 2 overlayfs: fs on 'file0' does not support file handles, falling back to index=off. syz-executor.1 (10646): drop_caches: 2 syz-executor.1 (10646): drop_caches: 2 overlayfs: fs on './file0' does not support file handles, falling back to index=off. 9pnet: Insufficient options for proto=fd overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on 'file0' does not support file handles, falling back to index=off. overlayfs: fs on './file0' does not support file handles, falling back to index=off. 9pnet: Insufficient options for proto=fd syz-executor.3 (10679): drop_caches: 2 syz-executor.3 (10679): drop_caches: 2 kauditd_printk_skb: 8 callbacks suppressed audit: type=1804 audit(1677653938.341:20): pid=10684 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir1513144832/syzkaller.okSI9x/52/bus/bus" dev="loop5" ino=4 res=1 syz-executor.4 (10690): drop_caches: 2 audit: type=1804 audit(1677653938.381:21): pid=10684 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir1513144832/syzkaller.okSI9x/52/bus/bus" dev="loop5" ino=4 res=1 syz-executor.4 (10690): drop_caches: 2 audit: type=1804 audit(1677653938.431:22): pid=10753 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="ToMToU" comm="syz-executor.5" name="/root/syzkaller-testdir1513144832/syzkaller.okSI9x/52/bus/bus" dev="loop5" ino=4 res=1 BTRFS info (device loop2): enabling inode map caching BTRFS info (device loop2): force clearing of disk cache BTRFS info (device loop2): disabling free space tree BTRFS info (device loop2): has skinny extents syz-executor.1 (10723): drop_caches: 2 syz-executor.1 (10723): drop_caches: 2 BTRFS info (device loop2): clearing free space tree BTRFS info (device loop2): clearing 1 ro feature flag BTRFS info (device loop2): clearing 2 ro feature flag BTRFS info (device loop2): checking UUID tree syz-executor.2 (10746) used greatest stack depth: 25080 bytes left syz-executor.3 (10769): drop_caches: 2 syz-executor.3 (10769): drop_caches: 2 BTRFS info (device loop2): enabling inode map caching BTRFS info (device loop2): force clearing of disk cache BTRFS info (device loop2): disabling free space tree BTRFS info (device loop2): has skinny extents f2fs_msg: 65 callbacks suppressed F2FS-fs (loop3): Mismatch start address, segment0(512) cp_blkaddr(605) F2FS-fs (loop3): Can't find valid F2FS filesystem in 1th superblock F2FS-fs (loop3): invalid crc value F2FS-fs (loop3): Found nat_bits in checkpoint BTRFS info (device loop2): clearing free space tree BTRFS info (device loop2): clearing 1 ro feature flag BTRFS info (device loop2): clearing 2 ro feature flag BTRFS info (device loop2): checking UUID tree F2FS-fs (loop3): Mounted with checkpoint version = 753bd00b syz-executor.3 (10835): drop_caches: 2 syz-executor.3 (10835): drop_caches: 2 syz-executor.2 (10819) used greatest stack depth: 24992 bytes left BTRFS info (device loop2): enabling inode map caching BTRFS info (device loop2): force clearing of disk cache BTRFS info (device loop2): disabling free space tree BTRFS info (device loop2): has skinny extents BTRFS info (device loop2): clearing free space tree BTRFS info (device loop2): clearing 1 ro feature flag BTRFS info (device loop2): clearing 2 ro feature flag BTRFS info (device loop2): checking UUID tree BTRFS info (device loop2): enabling inode map caching BTRFS info (device loop2): force clearing of disk cache BTRFS info (device loop2): disabling free space tree BTRFS info (device loop2): has skinny extents BTRFS info (device loop2): clearing free space tree BTRFS info (device loop2): clearing 1 ro feature flag BTRFS info (device loop2): clearing 2 ro feature flag BTRFS info (device loop2): checking UUID tree BTRFS info (device loop2): enabling inode map caching BTRFS info (device loop2): force clearing of disk cache BTRFS info (device loop2): disabling free space tree BTRFS info (device loop2): has skinny extents BTRFS info (device loop2): clearing free space tree BTRFS info (device loop2): clearing 1 ro feature flag BTRFS info (device loop2): clearing 2 ro feature flag BTRFS info (device loop2): checking UUID tree BTRFS info (device loop2): enabling inode map caching BTRFS info (device loop2): force clearing of disk cache BTRFS info (device loop2): disabling free space tree BTRFS info (device loop2): has skinny extents BTRFS info (device loop2): clearing free space tree BTRFS info (device loop2): clearing 1 ro feature flag BTRFS info (device loop2): clearing 2 ro feature flag BTRFS info (device loop2): checking UUID tree BTRFS info (device loop4): disabling free space tree BTRFS info (device loop4): use zlib compression BTRFS info (device loop4): setting 16 feature flag BTRFS info (device loop4): use zstd compression BTRFS info (device loop4): max_inline at 0 BTRFS info (device loop4): enabling free space tree BTRFS info (device loop4): enabling inode map caching BTRFS info (device loop4): using free space tree BTRFS info (device loop4): has skinny extents BTRFS info (device loop2): enabling inode map caching BTRFS info (device loop2): force clearing of disk cache BTRFS info (device loop2): disabling free space tree BTRFS info (device loop2): has skinny extents BTRFS info (device loop2): clearing free space tree BTRFS info (device loop2): clearing 1 ro feature flag BTRFS info (device loop2): clearing 2 ro feature flag BTRFS info (device loop2): checking UUID tree BTRFS info (device loop2): enabling inode map caching BTRFS info (device loop2): force clearing of disk cache BTRFS info (device loop2): disabling free space tree BTRFS info (device loop2): has skinny extents