program: r0 = socket$packet(0x11, 0x3, 0x300) r1 = socket$packet(0x11, 0x2, 0x300) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'ip_vti0\x00', 0x0}) sendto$packet(r0, &(0x7f0000000140)="61bbbc89af723a391c098a59b74822ed2c1aa7bea9bb8d070e20e42a4767c6c7023c4950f6549d0b", 0x28, 0x0, &(0x7f00000000c0)={0x11, 0x0, r2, 0x1, 0x0, 0x6, @multicast}, 0x14) syz_mount_image$squashfs(&(0x7f0000000100), &(0x7f0000000000)='./file0\x00', 0x0, &(0x7f0000000240)=ANY=[@ANYRES16=0x0, @ANYRES8=0x0, @ANYRESDEC, @ANYRES64, @ANYRESHEX, @ANYRES32, @ANYRES64, @ANYRESDEC, @ANYRES64, @ANYRES8, @ANYRES8], 0x1, 0x1df, &(0x7f00000002c0)="$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") r3 = openat(0xffffffffffffff9c, &(0x7f0000000000)='.\x00', 0x0, 0x0) open_by_handle_at(r3, &(0x7f0000000040)=ANY=[@ANYBLOB="0300003f4cebe915814e7cc8afdc8597"], 0x0) syz_mount_image$ext4(&(0x7f0000000100)='ext4\x00', &(0x7f0000000000)='./file1\x00', 0x22004002, &(0x7f0000000180)={[{@jqfmt_vfsold}, {@stripe={'stripe', 0x3d, 0x25}}, {@sysvgroups}, {@max_batch_time={'max_batch_time', 0x3d, 0x9}}, {@nouid32}, {@grpjquota, 0x2e}]}, 0x84, 0x472, &(0x7f0000000940)="$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") mkdir(&(0x7f00000002c0)='./file0\x00', 0x0) mount(0x0, &(0x7f00000001c0)='./file0\x00', &(0x7f0000000080)='sysfs\x00', 0x0, 0x0) r4 = openat(0xffffffffffffff9c, &(0x7f0000000180)='./file0\x00', 0x0, 0x0) getdents64(r4, &(0x7f0000000580)=""/277, 0x115) lseek(r4, 0x400, 0x1) getdents64(r4, &(0x7f00000000c0)=""/162, 0xa2) ioctl$FS_IOC_REMOVE_ENCRYPTION_KEY(0xffffffffffffffff, 0x400c6615, 0x0) [ 68.538139][ T4667] Bluetooth: hci0: command tx timeout [ 68.580487][ T5312] loop0: detected capacity change from 0 to 8 [ 68.665378][ T5312] ------------[ cut here ]------------ [ 68.667747][ T5312] WARNING: CPU: 0 PID: 5312 at fs/file.c:1202 file_seek_cur_needs_f_lock+0x121/0x150 [ 68.671808][ T5312] Modules linked in: [ 68.673822][ T5312] CPU: 0 UID: 0 PID: 5312 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-01599-gddddf9d64f73 #0 PREEMPT(full) [ 68.678491][ T5312] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.683074][ T5312] RIP: 0010:file_seek_cur_needs_f_lock+0x121/0x150 [ 68.685656][ T5312] Code: 23 e8 f3 04 85 ff eb 05 e8 ec 04 85 ff b0 01 5b 41 5e 41 5f 5d c3 cc cc cc cc cc e8 d9 04 85 ff 31 c0 eb eb e8 d0 04 85 ff 90 <0f> 0b 90 eb de 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c fd fe ff ff [ 68.694017][ T5312] RSP: 0018:ffffc9000d56fe60 EFLAGS: 00010283 [ 68.696577][ T5312] RAX: ffffffff823a2590 RBX: ffff888011f4bcd0 RCX: 0000000000100000 [ 68.699953][ T5312] RDX: ffffc9000e162000 RSI: 000000000000000d RDI: 000000000000000e [ 68.703447][ T5312] RBP: 0000000000000000 R08: ffff888011f4bcd7 R09: 1ffff110023e979a [ 68.706900][ T5312] R10: dffffc0000000000 R11: ffffed10023e979b R12: 0000000000000000 [ 68.710224][ T5312] R13: dffffc0000000000 R14: 0000000000000000 R15: bfffffffffffffff [ 68.713946][ T5312] FS: 00007f707eb796c0(0000) GS:ffff88808d6b1000(0000) knlGS:0000000000000000 [ 68.718132][ T5312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.720921][ T5312] CR2: 00007f7071c3f000 CR3: 0000000042683000 CR4: 0000000000352ef0 [ 68.724263][ T5312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.727566][ T5312] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.730844][ T5312] Call Trace: [ 68.732359][ T5312] [ 68.733622][ T5312] generic_file_llseek_size+0xaa/0x4b0 [ 68.736040][ T5312] __x64_sys_lseek+0x14f/0x1e0 [ 68.738177][ T5312] do_syscall_64+0xf6/0x210 [ 68.740096][ T5312] ? clear_bhb_loop+0x60/0xb0 [ 68.742096][ T5312] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.744932][ T5312] RIP: 0033:0x7f707dd8e969 [ 68.747022][ T5312] 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 a8 ff ff ff f7 d8 64 89 01 48 [ 68.755508][ T5312] RSP: 002b:00007f707eb79038 EFLAGS: 00000246 ORIG_RAX: 0000000000000008 [ 68.758784][ T5312] RAX: ffffffffffffffda RBX: 00007f707dfb5fa0 RCX: 00007f707dd8e969 [ 68.761997][ T5312] RDX: 0000000000000001 RSI: 0000000000000400 RDI: 0000000000000007 [ 68.765445][ T5312] RBP: 00007f707de10ab1 R08: 0000000000000000 R09: 0000000000000000 [ 68.768718][ T5312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.772015][ T5312] R13: 0000000000000000 R14: 00007f707dfb5fa0 R15: 00007ffd78d62688 [ 68.775339][ T5312] [ 68.776654][ T5312] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 68.779655][ T5312] CPU: 0 UID: 0 PID: 5312 Comm: syz.0.0 Not tainted 6.15.0-syzkaller-01599-gddddf9d64f73 #0 PREEMPT(full) [ 68.784245][ T5312] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 68.788497][ T5312] Call Trace: [ 68.789850][ T5312] [ 68.791021][ T5312] dump_stack_lvl+0x99/0x250 [ 68.792852][ T5312] ? __asan_memcpy+0x40/0x70 [ 68.794722][ T5312] ? __pfx_dump_stack_lvl+0x10/0x10 [ 68.796928][ T5312] ? __pfx__printk+0x10/0x10 [ 68.798874][ T5312] panic+0x2db/0x790 [ 68.800462][ T5312] ? __pfx_panic+0x10/0x10 [ 68.802268][ T5312] ? show_trace_log_lvl+0x4fb/0x550 [ 68.804334][ T5312] __warn+0x31b/0x4b0 [ 68.806357][ T5312] ? file_seek_cur_needs_f_lock+0x121/0x150 [ 68.809276][ T5312] ? file_seek_cur_needs_f_lock+0x121/0x150 [ 68.812162][ T5312] report_bug+0x2be/0x4f0 [ 68.814196][ T5312] ? file_seek_cur_needs_f_lock+0x121/0x150 [ 68.816953][ T5312] ? file_seek_cur_needs_f_lock+0x121/0x150 [ 68.819381][ T5312] ? file_seek_cur_needs_f_lock+0x123/0x150 [ 68.821644][ T5312] handle_bug+0x84/0x160 [ 68.823382][ T5312] exc_invalid_op+0x1a/0x50 [ 68.825141][ T5312] asm_exc_invalid_op+0x1a/0x20 [ 68.827234][ T5312] RIP: 0010:file_seek_cur_needs_f_lock+0x121/0x150 [ 68.829907][ T5312] Code: 23 e8 f3 04 85 ff eb 05 e8 ec 04 85 ff b0 01 5b 41 5e 41 5f 5d c3 cc cc cc cc cc e8 d9 04 85 ff 31 c0 eb eb e8 d0 04 85 ff 90 <0f> 0b 90 eb de 44 89 f1 80 e1 07 80 c1 03 38 c1 0f 8c fd fe ff ff [ 68.837148][ T5312] RSP: 0018:ffffc9000d56fe60 EFLAGS: 00010283 [ 68.839350][ T5312] RAX: ffffffff823a2590 RBX: ffff888011f4bcd0 RCX: 0000000000100000 [ 68.842425][ T5312] RDX: ffffc9000e162000 RSI: 000000000000000d RDI: 000000000000000e [ 68.845692][ T5312] RBP: 0000000000000000 R08: ffff888011f4bcd7 R09: 1ffff110023e979a [ 68.848862][ T5312] R10: dffffc0000000000 R11: ffffed10023e979b R12: 0000000000000000 [ 68.852201][ T5312] R13: dffffc0000000000 R14: 0000000000000000 R15: bfffffffffffffff [ 68.855489][ T5312] ? file_seek_cur_needs_f_lock+0x120/0x150 [ 68.858011][ T5312] generic_file_llseek_size+0xaa/0x4b0 [ 68.860302][ T5312] __x64_sys_lseek+0x14f/0x1e0 [ 68.862193][ T5312] do_syscall_64+0xf6/0x210 [ 68.863970][ T5312] ? clear_bhb_loop+0x60/0xb0 [ 68.865781][ T5312] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 68.868146][ T5312] RIP: 0033:0x7f707dd8e969 [ 68.869936][ T5312] 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 a8 ff ff ff f7 d8 64 89 01 48 [ 68.877358][ T5312] RSP: 002b:00007f707eb79038 EFLAGS: 00000246 ORIG_RAX: 0000000000000008 [ 68.880627][ T5312] RAX: ffffffffffffffda RBX: 00007f707dfb5fa0 RCX: 00007f707dd8e969 [ 68.883675][ T5312] RDX: 0000000000000001 RSI: 0000000000000400 RDI: 0000000000000007 [ 68.886906][ T5312] RBP: 00007f707de10ab1 R08: 0000000000000000 R09: 0000000000000000 [ 68.890173][ T5312] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 68.893505][ T5312] R13: 0000000000000000 R14: 00007f707dfb5fa0 R15: 00007ffd78d62688 [ 68.896913][ T5312] [ 68.898621][ T5312] Kernel Offset: disabled [ 68.900535][ T5312] Rebooting in 86400 seconds..