------------[ cut here ]------------ WARNING: CPU: 1 PID: 567133 at kernel/locking/lockdep.c:894 look_up_lock_class+0x86/0x110 kernel/locking/lockdep.c:894 Modules linked in: CPU: 1 PID: 567133 Comm: syz-executor.6 Not tainted 5.10.222 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:look_up_lock_class+0x86/0x110 kernel/locking/lockdep.c:894 Code: 24 e8 ce 02 00 00 4d 85 e4 74 2c 49 39 5c 24 40 75 eb 48 8b 45 18 49 39 84 24 b0 00 00 00 74 1a 48 81 7d 00 00 22 15 86 74 10 <0f> 0b eb 0c e8 61 4a 0a fe 85 c0 75 50 45 31 e4 48 83 c4 08 4c 89 RSP: 0018:ffff8880505cf590 EFLAGS: 00010002 RAX: ffffffff84535860 RBX: ffffffff871b9521 RCX: 0000000000000000 RDX: 0000000000000046 RSI: 0000000000000001 RDI: ffff88803d945138 RBP: ffff88803d945138 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000246 R11: 0000000000000001 R12: ffffffff868b8780 R13: ffffffff86bf59e0 R14: 0000000000000001 R15: 0000000000000000 FS: 00007f83bf7e7700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000000000000 CR3: 00000000611ee000 CR4: 0000000000350ee0 Call Trace: register_lock_class+0xbb/0x17b0 kernel/locking/lockdep.c:1244 __lock_acquire+0x102/0x5b00 kernel/locking/lockdep.c:4834 lock_acquire kernel/locking/lockdep.c:5566 [inline] lock_acquire+0x197/0x470 kernel/locking/lockdep.c:5531 down_write_nested+0x96/0x160 kernel/locking/rwsem.c:1667 ext4_double_down_write_data_sem fs/ext4/move_extent.c:55 [inline] ext4_double_down_write_data_sem fs/ext4/move_extent.c:51 [inline] ext4_move_extents+0x3a0/0x3050 fs/ext4/move_extent.c:610 __ext4_ioctl+0x302e/0x4190 fs/ext4/ioctl.c:999 vfs_ioctl fs/ioctl.c:48 [inline] __do_sys_ioctl fs/ioctl.c:753 [inline] __se_sys_ioctl fs/ioctl.c:739 [inline] __x64_sys_ioctl+0x19a/0x210 fs/ioctl.c:739 do_syscall_64+0x33/0x40 arch/x86/entry/common.c:46 entry_SYSCALL_64_after_hwframe+0x67/0xd1 RIP: 0033:0x7f83c2271b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f83bf7e7188 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f83c2384f60 RCX: 00007f83c2271b19 RDX: 0000000020000040 RSI: 00000000c028660f RDI: 0000000000000003 RBP: 00007f83c22cbf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc0bd74cff R14: 00007f83bf7e7300 R15: 0000000000022000 irq event stamp: 2089 hardirqs last enabled at (2089): [] syscall_enter_from_user_mode+0x1d/0x50 kernel/entry/common.c:98 hardirqs last disabled at (2088): [] do_syscall_64+0xf/0x40 arch/x86/entry/common.c:41 softirqs last enabled at (2060): [] asm_call_irq_on_stack+0x12/0x20 softirqs last disabled at (2043): [] asm_call_irq_on_stack+0x12/0x20 ---[ end trace 6776133707bec3d6 ]--- tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' tmpfs: Bad value for 'mpol' audit: type=1400 audit(1721492448.548:1763): avc: denied { watch_reads } for pid=570437 comm="syz-executor.6" path="/proc/570437/task/570629" dev="proc" ino=254947 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=dir permissive=1 audit: type=1326 audit(1721492448.548:1764): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=570437 comm="syz-executor.6" exe="/syz-executor.6" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f83c2271b19 code=0x0 audit: type=1326 audit(1721492449.383:1765): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=570437 comm="syz-executor.6" exe="/syz-executor.6" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f83c2271b19 code=0x0 audit: type=1326 audit(1721492449.625:1766): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=572430 comm="syz-executor.6" exe="/syz-executor.6" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f83c2271b19 code=0x0 audit: type=1326 audit(1721492449.698:1767): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=572434 comm="syz-executor.5" exe="/syz-executor.5" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7fd93944cb19 code=0x0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer print_req_error: 247 callbacks suppressed blk_update_request: I/O error, dev sr0, sector 0 op 0x1:(WRITE) flags 0x104000 phys_seg 127 prio class 0 buffer_io_error: 246 callbacks suppressed Buffer I/O error on dev sr0, logical block 0, lost async page write Buffer I/O error on dev sr0, logical block 1, lost async page write Buffer I/O error on dev sr0, logical block 2, lost async page write Buffer I/O error on dev sr0, logical block 3, lost async page write Buffer I/O error on dev sr0, logical block 4, lost async page write Buffer I/O error on dev sr0, logical block 5, lost async page write Buffer I/O error on dev sr0, logical block 6, lost async page write Buffer I/O error on dev sr0, logical block 7, lost async page write Buffer I/O error on dev sr0, logical block 8, lost async page write Buffer I/O error on dev sr0, logical block 9, lost async page write sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 127 op 0x1:(WRITE) flags 0x104000 phys_seg 127 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 254 op 0x1:(WRITE) flags 0x104000 phys_seg 127 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 381 op 0x1:(WRITE) flags 0x104000 phys_seg 127 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 508 op 0x1:(WRITE) flags 0x104000 phys_seg 127 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 635 op 0x1:(WRITE) flags 0x104000 phys_seg 127 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 762 op 0x1:(WRITE) flags 0x104000 phys_seg 127 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 889 op 0x1:(WRITE) flags 0x104000 phys_seg 127 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 1016 op 0x1:(WRITE) flags 0x104000 phys_seg 127 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer blk_update_request: I/O error, dev sr0, sector 1143 op 0x1:(WRITE) flags 0x104000 phys_seg 127 prio class 0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer audit: type=1326 audit(1721492450.796:1768): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=573316 comm="syz-executor.5" exe="/syz-executor.5" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7fd93944cb19 code=0x0 audit: type=1326 audit(1721492450.802:1769): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=573315 comm="syz-executor.6" exe="/syz-executor.6" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f83c2271b19 code=0x0 audit: type=1326 audit(1721492451.849:1770): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=573748 comm="syz-executor.5" exe="/syz-executor.5" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7fd93944cb19 code=0x0 audit: type=1326 audit(1721492451.927:1771): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=573898 comm="syz-executor.6" exe="/syz-executor.6" sig=9 arch=c000003e syscall=231 compat=0 ip=0x7f83c2271b19 code=0x0 audit: type=1326 audit(1721492452.959:1772): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=574486 comm="syz-executor.0" exe="/syz-executor.0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f9d4146eb19 code=0x7ffc0000 kauditd_printk_skb: 54 callbacks suppressed audit: type=1326 audit(1721492453.619:1827): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=575129 comm="syz-executor.0" exe="/syz-executor.0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f9d4146eb19 code=0x7ffc0000 audit: type=1326 audit(1721492453.622:1828): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=575129 comm="syz-executor.0" exe="/syz-executor.0" sig=0 arch=c000003e syscall=9 compat=0 ip=0x7f9d4146eb19 code=0x7ffc0000 audit: type=1326 audit(1721492453.623:1829): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=575129 comm="syz-executor.0" exe="/syz-executor.0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f9d4146eb19 code=0x7ffc0000 audit: type=1326 audit(1721492453.623:1830): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=575129 comm="syz-executor.0" exe="/syz-executor.0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f9d4146eb19 code=0x7ffc0000 audit: type=1326 audit(1721492453.628:1831): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=575129 comm="syz-executor.0" exe="/syz-executor.0" sig=0 arch=c000003e syscall=16 compat=0 ip=0x7f9d4146eb19 code=0x7ffc0000 audit: type=1326 audit(1721492453.628:1832): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=575129 comm="syz-executor.0" exe="/syz-executor.0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f9d4146eb19 code=0x7ffc0000 audit: type=1326 audit(1721492453.628:1833): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=575129 comm="syz-executor.0" exe="/syz-executor.0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f9d4146eb19 code=0x7ffc0000 audit: type=1326 audit(1721492453.631:1834): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=575129 comm="syz-executor.0" exe="/syz-executor.0" sig=0 arch=c000003e syscall=9 compat=0 ip=0x7f9d4146eb19 code=0x7ffc0000 audit: type=1326 audit(1721492453.631:1835): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=575129 comm="syz-executor.0" exe="/syz-executor.0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f9d4146eb19 code=0x7ffc0000 audit: type=1326 audit(1721492453.631:1836): auid=0 uid=0 gid=0 ses=4 subj=system_u:system_r:kernel_t:s0 pid=575129 comm="syz-executor.0" exe="/syz-executor.0" sig=0 arch=c000003e syscall=202 compat=0 ip=0x7f9d4146eb19 code=0x7ffc0000 netlink: 4 bytes leftover after parsing attributes in process `syz-executor.1'.