program: ioctl$KVM_CREATE_VCPU(0xffffffffffffffff, 0xae41, 0x1) socket(0xa, 0x3, 0x3a) (async) r0 = socket(0xa, 0x3, 0x3a) setsockopt$MRT6_ADD_MFC(r0, 0x29, 0xcc, &(0x7f0000000000)={{0xa, 0x0, 0x0, @private0, 0x809}, {0xa, 0x8, 0x0, @empty}, 0x2, {[0x0, 0x1, 0xfffffffe, 0x0, 0xffffffff, 0x0, 0x0, 0x1]}}, 0x5c) (async) setsockopt$MRT6_ADD_MFC(r0, 0x29, 0xcc, &(0x7f0000000000)={{0xa, 0x0, 0x0, @private0, 0x809}, {0xa, 0x8, 0x0, @empty}, 0x2, {[0x0, 0x1, 0xfffffffe, 0x0, 0xffffffff, 0x0, 0x0, 0x1]}}, 0x5c) setsockopt$MRT6_ADD_MFC(r0, 0x29, 0xcc, &(0x7f0000000280)={{0xa, 0x0, 0x0, @loopback}, {0xa, 0x0, 0x0, @mcast2}, 0x0, {[0x1, 0x0, 0x0, 0x0, 0x9]}}, 0x5c) setsockopt$MRT6_ADD_MFC(r0, 0x29, 0xcc, &(0x7f00000001c0)={{0xa, 0x0, 0x0, @remote, 0x3}, {0xa, 0x4e25, 0x0, @mcast1}, 0x0, {[0xffffffff, 0x5, 0x0, 0x80, 0x0, 0x0, 0x8]}}, 0x5c) setsockopt$MRT6_ADD_MFC(r0, 0x29, 0xcc, &(0x7f0000000000)={{0xa, 0x0, 0x0, @private2}, {0xa, 0x0, 0x0, @empty}}, 0x5c) setsockopt$MRT6_FLUSH(r0, 0x29, 0xd4, &(0x7f00000000c0)=0x7, 0x4) (async) setsockopt$MRT6_FLUSH(r0, 0x29, 0xd4, &(0x7f00000000c0)=0x7, 0x4) syz_mount_image$minix(&(0x7f0000000000), &(0x7f0000000540)='./file4\x00', 0x1810002, &(0x7f000000c680)=ANY=[@ANYBLOB="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", @ANYBLOB="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", @ANYRES64=0x0, @ANYRESOCT=0x0, @ANYRES32=0xffffffffffffffff, @ANYRES16=0xffffffffffffffff, @ANYRES16=0x0, @ANYBLOB="2da97369bd5bd2a022e4fea628166430fb7a26dae38cd827ad7f8cff5d2246bdd26c88c4ea13a8fbc6a23601da47409ecba43e29d90521e4a37f2f57fa7ce2366b5b89b5b9529791fb53b47e83c2014cd5cafe08a3ba61a32a14a220779926a7df8a0de70a50b2baf658b32d6d108efa8d3b6181762c8308a5b3351fd14516c9c33e6c6bd15e956f8401002717d37c8e53568186d0a3935603bc325b8ebb315aff3e39aa98ba22dffb1b6a7c1acafedad4ef237de4595f77f679e98e000000000000000000a0", @ANYRES32, @ANYBLOB="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", @ANYRES32=0xffffffffffffffff], 0x1, 0x1da, &(0x7f0000004680)="$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") mkdir(&(0x7f0000000300)='./bus\x00', 0x0) r4 = openat$cgroup_root(0xffffffffffffff9c, &(0x7f0000000000), 0x200002, 0x0) syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) (async) r5 = syz_init_net_socket$nl_generic(0x10, 0x3, 0x10) r6 = syz_genetlink_get_family_id$nfc(&(0x7f0000000100), r5) ioctl$IOCTL_GET_NCIDEV_IDX(0xffffffffffffffff, 0x0, &(0x7f00000000c0)=0x0) sendmsg$NFC_CMD_DEV_UP(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000740)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r6, @ANYBLOB="010026bd70003c0200000200000008000100", @ANYRES32=r7], 0x1c}}, 0x0) (async) sendmsg$NFC_CMD_DEV_UP(0xffffffffffffffff, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000180)={&(0x7f0000000740)=ANY=[@ANYBLOB="1c000000", @ANYRES16=r6, @ANYBLOB="010026bd70003c0200000200000008000100", @ANYRES32=r7], 0x1c}}, 0x0) ioctl$IOCTL_GET_NCIDEV_IDX(0xffffffffffffffff, 0x0, &(0x7f0000000480)=0x0) sendmsg$NFC_CMD_DEV_UP(0xffffffffffffffff, &(0x7f0000000580)={&(0x7f0000000080)={0x10, 0x0, 0x0, 0x40}, 0xc, &(0x7f0000000500)={&(0x7f0000000880)=ANY=[@ANYRES16=0x0, @ANYRES16=r5, @ANYBLOB="20002cbd7000ffdbdf250200000008000100", @ANYRES32=r1, @ANYRESOCT=r3, @ANYRES32=0x0, @ANYRES8=r2, @ANYRES32=r5, @ANYRES32=r7, @ANYRES32=r7, @ANYBLOB="080001ec", @ANYRES32=r8, @ANYBLOB="6ba411a3eb111b57ab77d04ee4428f1d33aa53ba03676beb245704db288d396b5a0d9e2cefc30dc1dda1b67c275b08bd1c12418b189f0ff74684783fff90a66855dbf8e0d5c2a3df7d5090fbc69b06a9ed99b665aae8b0ce6502c00a76bf94d042a4bea90f6f855bce71b9d70eb4aa7b6790c8652e8ce0e2e7650000000000"], 0x3c}, 0x1, 0x0, 0x0, 0x800}, 0x4000000) write$tcp_mem(0xffffffffffffffff, &(0x7f0000000400)={0xb, 0x20, 0x9, 0x20, 0x9}, 0x48) fchdir(r4) mkdir(&(0x7f0000000240)='./file0\x00', 0x0) mkdir(&(0x7f00000000c0)='./bus\x00', 0x10) r9 = openat(0xffffffffffffff9c, &(0x7f0000000040)='.\x00', 0x0, 0x0) renameat2(r9, &(0x7f0000000380)='./file0\x00', r9, &(0x7f0000000200)='./bus\x00', 0x0) r10 = open(&(0x7f0000000340)='.\x00', 0x34b200, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='blkio.bfq.avg_queue_size\x00', 0x275a, 0x0) openat$cgroup_ro(r10, &(0x7f00000000c0)='rdma.current\x00', 0x275a, 0x0) (async) openat$cgroup_ro(r10, &(0x7f00000000c0)='rdma.current\x00', 0x275a, 0x0) mknodat(0xffffffffffffff9c, &(0x7f0000000140)='./file4\x00', 0x0, 0x0) (async) mknodat(0xffffffffffffff9c, &(0x7f0000000140)='./file4\x00', 0x0, 0x0) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000006ac0)='cpuacct.stat\x00', 0x275a, 0x0) openat$incfs(0xffffffffffffff9c, &(0x7f0000000640)='.log\x00', 0xa5d, 0x80) (async) openat$incfs(0xffffffffffffff9c, &(0x7f0000000640)='.log\x00', 0xa5d, 0x80) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='blkio.bfq.io_service_time_recursive\x00', 0x275a, 0x0) (async) openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000180)='blkio.bfq.io_service_time_recursive\x00', 0x275a, 0x0) mount$overlay(0x0, &(0x7f00000003c0)='./file0\x00', &(0x7f0000000200), 0x0, &(0x7f0000001100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}], [], 0x2c}) (async) mount$overlay(0x0, &(0x7f00000003c0)='./file0\x00', &(0x7f0000000200), 0x0, &(0x7f0000001100)={[{@upperdir={'upperdir', 0x3d, './file0'}}, {@lowerdir={'lowerdir', 0x3d, '.'}}, {@workdir={'workdir', 0x3d, './bus'}}], [], 0x2c}) [ 74.377969][ T46] Bluetooth: hci0: command tx timeout [ 74.411881][ T5332] loop0: detected capacity change from 0 to 64 [ 74.489313][ T5332] syz.0.0: attempt to access beyond end of device [ 74.489313][ T5332] loop0: rw=2049, sector=268435468, nr_sectors = 2 limit=64 [ 74.512331][ T5331] ------------[ cut here ]------------ [ 74.514724][ T5331] WARNING: fs/inode.c:474 at inc_nlink+0x122/0x150, CPU#0: syz.0.0/5331 [ 74.518403][ T5331] Modules linked in: [ 74.520168][ T5331] CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 74.523837][ T5331] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.528339][ T5331] RIP: 0010:inc_nlink+0x122/0x150 [ 74.530644][ T5331] Code: e7 ff e9 3a ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c ff ff ff 48 89 df e8 f9 00 e7 ff e9 3f ff ff ff e8 6f 1a 7f ff 90 <0f> 0b 90 eb 80 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 50 ff ff ff [ 74.539585][ T5331] RSP: 0018:ffffc9000c62f510 EFLAGS: 00010293 [ 74.542316][ T5331] RAX: ffffffff8242a781 RBX: ffff8880110f05c0 RCX: ffff88801f7c24c0 [ 74.546256][ T5331] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 74.549886][ T5331] RBP: 0000000000000000 R08: ffffffff8fa24077 R09: 1ffffffff1f4480e [ 74.553389][ T5331] R10: dffffc0000000000 R11: fffffbfff1f4480f R12: dffffc0000000000 [ 74.557044][ T5331] R13: 1ffff1100221e0b8 R14: ffff8880110f0578 R15: ffff8880110f0648 [ 74.560542][ T5331] FS: 00007f4eab1f56c0(0000) GS:ffff88808d22a000(0000) knlGS:0000000000000000 [ 74.564406][ T5331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.567403][ T5331] CR2: 0000200000002000 CR3: 0000000041d09000 CR4: 0000000000352ef0 [ 74.570918][ T5331] Call Trace: [ 74.572509][ T5331] [ 74.573877][ T5331] minix_mkdir+0x44/0x120 [ 74.575999][ T5331] vfs_mkdir+0x512/0x5b0 [ 74.577920][ T5331] ovl_workdir_create+0x481/0x900 [ 74.580208][ T5331] ? __pfx_ovl_workdir_create+0x10/0x10 [ 74.582652][ T5331] ? mnt_get_write_access+0x213/0x280 [ 74.585294][ T5331] ovl_fill_super+0x188f/0x5a90 [ 74.587624][ T5331] ? __lock_acquire+0x6b6/0x2cf0 [ 74.590000][ T5331] ? __pfx_ovl_fill_super+0x10/0x10 [ 74.592436][ T5331] ? __mutex_trylock_common+0x153/0x260 [ 74.595046][ T5331] ? __pfx___mutex_trylock_common+0x10/0x10 [ 74.597626][ T5331] ? rcu_is_watching+0x15/0xb0 [ 74.599858][ T5331] ? trace_contention_end+0x39/0x100 [ 74.602329][ T5331] ? shrinker_register+0x124/0x230 [ 74.604572][ T5331] ? __mutex_unlock_slowpath+0x1a1/0x730 [ 74.607300][ T5331] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 74.609945][ T5331] ? __raw_spin_lock_init+0x45/0x100 [ 74.612403][ T5331] ? sget_fc+0x962/0xa40 [ 74.614225][ T5331] ? __pfx_set_anon_super_fc+0x10/0x10 [ 74.616639][ T5331] ? __pfx_ovl_fill_super+0x10/0x10 [ 74.618938][ T5331] get_tree_nodev+0xbb/0x150 [ 74.621035][ T5331] vfs_get_tree+0x92/0x2a0 [ 74.623067][ T5331] do_new_mount+0x302/0xa10 [ 74.625361][ T5331] ? apparmor_capable+0x137/0x1a0 [ 74.628096][ T5331] ? __pfx_do_new_mount+0x10/0x10 [ 74.630498][ T5331] ? ns_capable+0x8a/0xf0 [ 74.632442][ T5331] ? path_mount+0x628/0xff0 [ 74.634496][ T5331] ? kmem_cache_free+0x197/0x620 [ 74.636863][ T5331] __se_sys_mount+0x313/0x410 [ 74.638987][ T5331] ? __pfx___se_sys_mount+0x10/0x10 [ 74.641872][ T5331] ? do_syscall_64+0xbe/0xf80 [ 74.644211][ T5331] ? __x64_sys_mount+0x20/0xc0 [ 74.646782][ T5331] do_syscall_64+0xfa/0xf80 [ 74.648898][ T5331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.652223][ T5331] ? clear_bhb_loop+0x60/0xb0 [ 74.654350][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.657072][ T5331] RIP: 0033:0x7f4eaa38f7c9 [ 74.659146][ T5331] 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 [ 74.667631][ T5331] RSP: 002b:00007f4eab1f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.671073][ T5331] RAX: ffffffffffffffda RBX: 00007f4eaa5e5fa0 RCX: 00007f4eaa38f7c9 [ 74.674677][ T5331] RDX: 0000200000000200 RSI: 00002000000003c0 RDI: 0000000000000000 [ 74.678340][ T5331] RBP: 00007f4eaa413f91 R08: 0000200000001100 R09: 0000000000000000 [ 74.681927][ T5331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.685710][ T5331] R13: 00007f4eaa5e6038 R14: 00007f4eaa5e5fa0 R15: 00007ffea7fb2f48 [ 74.689438][ T5331] [ 74.690850][ T5331] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 74.694131][ T5331] CPU: 0 UID: 0 PID: 5331 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 74.698030][ T5331] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 74.702562][ T5331] Call Trace: [ 74.703932][ T5331] [ 74.705246][ T5331] dump_stack_lvl+0x99/0x250 [ 74.707337][ T5331] ? __asan_memcpy+0x40/0x70 [ 74.709399][ T5331] ? __pfx_dump_stack_lvl+0x10/0x10 [ 74.711594][ T5331] ? __pfx__printk+0x10/0x10 [ 74.713787][ T5331] vpanic+0x237/0x6d0 [ 74.715641][ T5331] ? __pfx_vpanic+0x10/0x10 [ 74.717657][ T5331] ? is_bpf_text_address+0x292/0x2b0 [ 74.719909][ T5331] ? is_bpf_text_address+0x26/0x2b0 [ 74.722285][ T5331] panic+0xb9/0xc0 [ 74.723923][ T5331] ? __pfx_panic+0x10/0x10 [ 74.725875][ T5331] __warn+0x317/0x4b0 [ 74.727588][ T5331] ? inc_nlink+0x122/0x150 [ 74.729500][ T5331] ? inc_nlink+0x122/0x150 [ 74.731425][ T5331] __report_bug+0x288/0x500 [ 74.733137][ T5331] ? inc_nlink+0x122/0x150 [ 74.734770][ T5331] ? __pfx___report_bug+0x10/0x10 [ 74.736743][ T5331] ? reacquire_held_locks+0x121/0x1c0 [ 74.739150][ T5331] ? __mark_inode_dirty+0x6a8/0x1330 [ 74.741211][ T5331] ? inc_nlink+0x122/0x150 [ 74.743087][ T5331] report_bug+0x16a/0x220 [ 74.744868][ T5331] ? inc_nlink+0x122/0x150 [ 74.746753][ T5331] ? inc_nlink+0x124/0x150 [ 74.748627][ T5331] handle_bug+0x98/0x200 [ 74.750265][ T5331] exc_invalid_op+0x1a/0x50 [ 74.752046][ T5331] asm_exc_invalid_op+0x1a/0x20 [ 74.754156][ T5331] RIP: 0010:inc_nlink+0x122/0x150 [ 74.756384][ T5331] Code: e7 ff e9 3a ff ff ff 89 d9 80 e1 07 80 c1 03 38 c1 0f 8c 4c ff ff ff 48 89 df e8 f9 00 e7 ff e9 3f ff ff ff e8 6f 1a 7f ff 90 <0f> 0b 90 eb 80 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c 50 ff ff ff [ 74.764672][ T5331] RSP: 0018:ffffc9000c62f510 EFLAGS: 00010293 [ 74.767215][ T5331] RAX: ffffffff8242a781 RBX: ffff8880110f05c0 RCX: ffff88801f7c24c0 [ 74.770468][ T5331] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 74.773761][ T5331] RBP: 0000000000000000 R08: ffffffff8fa24077 R09: 1ffffffff1f4480e [ 74.776987][ T5331] R10: dffffc0000000000 R11: fffffbfff1f4480f R12: dffffc0000000000 [ 74.780313][ T5331] R13: 1ffff1100221e0b8 R14: ffff8880110f0578 R15: ffff8880110f0648 [ 74.783857][ T5331] ? inc_nlink+0x121/0x150 [ 74.785790][ T5331] minix_mkdir+0x44/0x120 [ 74.787765][ T5331] vfs_mkdir+0x512/0x5b0 [ 74.789712][ T5331] ovl_workdir_create+0x481/0x900 [ 74.791861][ T5331] ? __pfx_ovl_workdir_create+0x10/0x10 [ 74.794303][ T5331] ? mnt_get_write_access+0x213/0x280 [ 74.796543][ T5331] ovl_fill_super+0x188f/0x5a90 [ 74.798729][ T5331] ? __lock_acquire+0x6b6/0x2cf0 [ 74.800930][ T5331] ? __pfx_ovl_fill_super+0x10/0x10 [ 74.803210][ T5331] ? __mutex_trylock_common+0x153/0x260 [ 74.805654][ T5331] ? __pfx___mutex_trylock_common+0x10/0x10 [ 74.808227][ T5331] ? rcu_is_watching+0x15/0xb0 [ 74.810414][ T5331] ? trace_contention_end+0x39/0x100 [ 74.812751][ T5331] ? shrinker_register+0x124/0x230 [ 74.814800][ T5331] ? __mutex_unlock_slowpath+0x1a1/0x730 [ 74.816986][ T5331] ? __pfx___mutex_unlock_slowpath+0x10/0x10 [ 74.819339][ T5331] ? __raw_spin_lock_init+0x45/0x100 [ 74.821423][ T5331] ? sget_fc+0x962/0xa40 [ 74.823099][ T5331] ? __pfx_set_anon_super_fc+0x10/0x10 [ 74.825273][ T5331] ? __pfx_ovl_fill_super+0x10/0x10 [ 74.827348][ T5331] get_tree_nodev+0xbb/0x150 [ 74.829305][ T5331] vfs_get_tree+0x92/0x2a0 [ 74.831252][ T5331] do_new_mount+0x302/0xa10 [ 74.833384][ T5331] ? apparmor_capable+0x137/0x1a0 [ 74.835568][ T5331] ? __pfx_do_new_mount+0x10/0x10 [ 74.837767][ T5331] ? ns_capable+0x8a/0xf0 [ 74.839751][ T5331] ? path_mount+0x628/0xff0 [ 74.841862][ T5331] ? kmem_cache_free+0x197/0x620 [ 74.844191][ T5331] __se_sys_mount+0x313/0x410 [ 74.846191][ T5331] ? __pfx___se_sys_mount+0x10/0x10 [ 74.848435][ T5331] ? do_syscall_64+0xbe/0xf80 [ 74.850482][ T5331] ? __x64_sys_mount+0x20/0xc0 [ 74.852605][ T5331] do_syscall_64+0xfa/0xf80 [ 74.854604][ T5331] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.857252][ T5331] ? clear_bhb_loop+0x60/0xb0 [ 74.859228][ T5331] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 74.861739][ T5331] RIP: 0033:0x7f4eaa38f7c9 [ 74.863521][ T5331] 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 [ 74.871258][ T5331] RSP: 002b:00007f4eab1f5038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 74.874811][ T5331] RAX: ffffffffffffffda RBX: 00007f4eaa5e5fa0 RCX: 00007f4eaa38f7c9 [ 74.878226][ T5331] RDX: 0000200000000200 RSI: 00002000000003c0 RDI: 0000000000000000 [ 74.881687][ T5331] RBP: 00007f4eaa413f91 R08: 0000200000001100 R09: 0000000000000000 [ 74.885091][ T5331] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 74.888780][ T5331] R13: 00007f4eaa5e6038 R14: 00007f4eaa5e5fa0 R15: 00007ffea7fb2f48 [ 74.892116][ T5331] [ 74.893795][ T5331] Kernel Offset: disabled [ 74.895786][ T5331] Rebooting in 86400 seconds..