program: r0 = openat$comedi(0xffffffffffffff9c, &(0x7f0000000080)='/dev/comedi3\x00', 0x400, 0x0) ioctl$COMEDI_DEVCONFIG(r0, 0x40946400, &(0x7f00000000c0)={'das16m1\x00', [0x83eb, 0x2, 0x10000, 0x4, 0x5, 0xcc7, 0x8, 0x8d, 0xa, 0x0, 0x2, 0x1, 0x1, 0x1, 0x6, 0x101, 0x0, 0x1a449, 0x3, 0x40000003, 0x89, 0xcaa7, 0x0, 0x20001e5c, 0xb, 0xffc00000, 0x3c, 0x8, 0x6, 0xf7ffffff, 0xfffffff8]}) syz_emit_ethernet(0xe2, &(0x7f0000000300)={@link_local, @random="86082b9827c1", @void, {@ipv6={0x86dd, @icmpv6={0x0, 0x6, "cb3e02", 0xac, 0x3a, 0x0, @private2, @mcast2, {[], @param_prob={0x4, 0x0, 0x0, 0x0, {0x0, 0x6, "974367", 0x0, 0x11, 0x0, @initdev={0xfe, 0x88, '\x00', 0x0, 0x0}, @local, [@dstopts={0x0, 0x0, '\x00', [@pad1, @padn]}], "eb9f24ea6a3ac838226c90ab33513f25e4ddc1717aa59de3b3c242b85735ecc0359b2b8829c3b0ab7c3d0505ab72ea62bb601c01e900466518915340428de741b40dac44900e326ba72f036e3fb2d24802ca5c47c94e99a4748b7c3d8da5087868ae324d4e54327b48ef7816"}}}}}}}, 0x0) (async, rerun: 32) r1 = socket$nl_route(0x10, 0x3, 0x0) (rerun: 32) ioctl$sock_SIOCGIFINDEX(r1, 0x8933, &(0x7f0000000000)={'veth0_vlan\x00', 0x0}) (async) r3 = socket$nl_netfilter(0x10, 0x3, 0xc) (async) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f00000000c0)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SIOCSIFHWADDR(r4, 0x8914, &(0x7f0000000040)={'bridge_slave_0\x00'}) r5 = socket$nl_generic(0x10, 0x3, 0x10) setsockopt$netlink_NETLINK_TX_RING(r5, 0x10e, 0x7, &(0x7f0000000400)={0x0, 0xb6, 0xc, 0x3}, 0x10) socketpair$nbd(0x1, 0x1, 0x0, &(0x7f0000000000)={0xffffffffffffffff, 0xffffffffffffffff}) ioctl$SIOCSIFHWADDR(r6, 0x8914, &(0x7f0000000040)={'bridge_slave_0\x00', @broadcast}) sendmsg$IPSET_CMD_CREATE(r3, &(0x7f0000000040)={0x0, 0x0, &(0x7f00000044c0)={&(0x7f00000005c0)=ANY=[@ANYBLOB="5c000000020605000000000000000000000000000c00078005001500040000000500010006000000050005000200000005000400000000000900020073797a310000000015000300686173683a698e68706f72742c6e657400000000"], 0x5c}}, 0x0) (async) r7 = open$dir(&(0x7f0000000080)='.\x00', 0x0, 0x0) r8 = socket$nl_netfilter(0x10, 0x3, 0xc) sendmsg$NFT_BATCH(r8, &(0x7f0000000840)={0x0, 0x0, &(0x7f0000000000)={&(0x7f000000c300)={{0x14}, [@NFT_MSG_NEWSET={0x28, 0x12, 0xa, 0x9, 0x0, 0x0, {0x2}, [@NFTA_SET_NAME={0x9, 0x2, 'syz1\x00'}, @NFTA_SET_FLAGS={0x8, 0x3, 0x1, 0x0, 0x5}]}], {0x14}}, 0x50}}, 0x0) (async) r9 = syz_mount_image$bfs(&(0x7f0000000000), &(0x7f0000000240)='./bus\x00', 0x8008, &(0x7f0000000100)=ANY=[@ANYRES64=0x0], 0xf, 0xab, &(0x7f0000010140)="$eJzs1zGKwkAYBeB/s7CbdptFsLBO4x08ilhqI1aK4A3Ei3gVj5DewiKtiCOYiIidRQT5vmLgzWPgtbM7brubIiKtIlLRme7T3Wy+GA8n9Rl8pCwifiMij4jeX50Pg7r7avqyWo7K6vv58c+69b0AAMDrsug/5nNqLk7NL/Aa/m993vI+AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAgHe7BAAA//+dfyiL") r10 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000200)='rdma.current\x00', 0x275a, 0x0) write$binfmt_script(r10, &(0x7f00000008c0), 0xfecc) (async) r11 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f00000000c0)='memory.events\x00', 0x275a, 0x0) write$binfmt_script(r11, &(0x7f0000000100), 0xfecc) (async) r12 = fcntl$getown(r9, 0x9) fcntl$setownex(r7, 0x8, &(0x7f0000000440)={0x1, r12}) (async) sendmsg$nl_route_sched(r1, &(0x7f0000000200)={0x0, 0x0, &(0x7f00000001c0)={&(0x7f0000000240)=@getchain={0x44, 0x11, 0x43d, 0x0, 0x0, {0x0, 0x0, 0x0, r2, {0x7}, {0x0, 0xf}, {0xffe0}}, [{0x8, 0xb, 0x8}, {0x8, 0xb, 0x8}, {0x8, 0xb, 0x5}, {0x8, 0xb, 0xff}]}, 0x44}}, 0x0) (async, rerun: 32) r13 = socket$nl_route(0x10, 0x3, 0x0) (async, rerun: 32) r14 = socket$inet_udplite(0x2, 0x2, 0x88) ioctl$sock_SIOCGIFINDEX(r14, 0x8933, &(0x7f0000000080)={'syz_tun\x00'}) (async) sendmsg$nl_route(r13, &(0x7f00000002c0)={0x0, 0x0, &(0x7f0000000100)={&(0x7f0000000140)=ANY=[@ANYBLOB="4400000010000003000000000000ef0000000000", @ANYRES32=0x0, @ANYBLOB="03800000000000001c0012800b0001006970766c616e00000c000280060001000000000008001d0007000000"], 0x44}}, 0x0) (async, rerun: 64) syz_extract_tcp_res(&(0x7f0000000000), 0x4, 0x8) (async, rerun: 64) write$tun(0xffffffffffffffff, &(0x7f0000000040)={@void, @val={0xbfbcb72c556a531c, 0x0, 0xca, 0x7, 0x3}, @llc={@llc={0x8e, 0xfe, '\as', "3363d930594cbf6a69ce042240bc4a1a007cdfb7d651e77337092737bd74b6f1aacfe625e7b95d3b2c966ac37561f3daa763cf2b299ca7969eeebf4d5e34d7f7994c6f117cf4614933f04d43c8062cb37b63a27cccf1777be4853e431ad2551e30d4f0a3c569eafe92460f1b3e0c1ec2d8578c78fc407685c5f67426e49299b4a8306ceeca8c543394e44966"}}}, 0x9a) [ 151.912325][ T5378] bridge0: port 1(bridge_slave_0) entered disabled state [ 151.926952][ T13] bridge0: port 1(bridge_slave_0) entered blocking state [ 151.929831][ T13] bridge0: port 1(bridge_slave_0) entered forwarding state [ 151.937800][ T5379] loop0: detected capacity change from 0 to 64 [ 151.955744][ T5355] Bluetooth: hci0: command tx timeout [ 152.007981][ T5378] ------------[ cut here ]------------ [ 152.010421][ T5378] WARNING: CPU: 0 PID: 5378 at fs/buffer.c:1183 mark_buffer_dirty+0x2a9/0x410 [ 152.014668][ T5378] Modules linked in: [ 152.016527][ T5378] CPU: 0 UID: 0 PID: 5378 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 152.020152][ T5378] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 152.024738][ T5378] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 152.027190][ T5378] Code: 4c 89 f7 e8 d9 4b dd ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 02 fc ff e8 0f 5f 78 ff eb 8c e8 08 5f 78 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 fa 5e 78 ff 90 0f 0b 90 e9 bf fd ff ff [ 152.035094][ T5378] RSP: 0018:ffffc9000d527608 EFLAGS: 00010293 [ 152.037455][ T5378] RAX: ffffffff82475eb8 RBX: ffff888042fae570 RCX: ffff888000f34880 [ 152.040853][ T5378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 152.048019][ T5378] RBP: ffff8880532a2001 R08: ffff888042fae577 R09: 1ffff110085f5cae [ 152.051316][ T5378] R10: dffffc0000000000 R11: ffffed10085f5caf R12: ffff88804c957400 [ 152.054871][ T5378] R13: ffff888042fab1d0 R14: ffff888042fae570 R15: 000000000000000a [ 152.058349][ T5378] FS: 00007f9d1cc646c0(0000) GS:ffff88808d20d000(0000) knlGS:0000000000000000 [ 152.062281][ T5378] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 152.065346][ T5378] CR2: 0000200000002000 CR3: 000000004555a000 CR4: 0000000000352ef0 [ 152.068888][ T5378] Call Trace: [ 152.070459][ T5378] [ 152.071850][ T5378] bfs_get_block+0x5da/0xae0 [ 152.073944][ T5378] __block_write_begin_int+0x6b5/0x1900 [ 152.076529][ T5378] ? __pfx_bfs_get_block+0x10/0x10 [ 152.078821][ T5378] ? __pfx___block_write_begin_int+0x10/0x10 [ 152.081571][ T5378] ? __filemap_get_folio+0x79f/0xaf0 [ 152.083907][ T5378] ? __pfx_bfs_get_block+0x10/0x10 [ 152.086337][ T5378] block_write_begin+0x8a/0x120 [ 152.088524][ T5378] ? bfs_write_begin+0x1e/0xd0 [ 152.091084][ T5378] bfs_write_begin+0x35/0xd0 [ 152.093225][ T5378] generic_perform_write+0x2c5/0x900 [ 152.095976][ T5378] ? __pfx_generic_perform_write+0x10/0x10 [ 152.098573][ T5378] ? file_update_time+0x2da/0x490 [ 152.100611][ T5378] ? __generic_file_write_iter+0xf9/0x230 [ 152.102827][ T5378] ? generic_file_write_iter+0x103/0x550 [ 152.105144][ T5378] generic_file_write_iter+0x117/0x550 [ 152.107309][ T5378] ? __pfx_generic_file_write_iter+0x10/0x10 [ 152.109613][ T5378] ? __lock_acquire+0xab9/0xd20 [ 152.111550][ T5378] ? rcu_read_lock_any_held+0xb3/0x120 [ 152.113775][ T5378] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 152.116512][ T5378] vfs_write+0x5c9/0xb30 [ 152.118357][ T5378] ? __pfx_generic_file_write_iter+0x10/0x10 [ 152.120788][ T5378] ? __pfx_vfs_write+0x10/0x10 [ 152.123217][ T5378] ? __fget_files+0x2a/0x420 [ 152.125446][ T5378] ksys_write+0x145/0x250 [ 152.127456][ T5378] ? __pfx_ksys_write+0x10/0x10 [ 152.129701][ T5378] ? rcu_is_watching+0x15/0xb0 [ 152.131802][ T5378] ? do_syscall_64+0xbe/0x3b0 [ 152.133812][ T5378] do_syscall_64+0xfa/0x3b0 [ 152.136014][ T5378] ? lockdep_hardirqs_on+0x9c/0x150 [ 152.138345][ T5378] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 152.140915][ T5378] ? clear_bhb_loop+0x60/0xb0 [ 152.143071][ T5378] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 152.145839][ T5378] RIP: 0033:0x7f9d1bd8ebe9 [ 152.147765][ T5378] 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 [ 152.156024][ T5378] RSP: 002b:00007f9d1cc64038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 152.159864][ T5378] RAX: ffffffffffffffda RBX: 00007f9d1bfc6090 RCX: 00007f9d1bd8ebe9 [ 152.163475][ T5378] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 000000000000002e [ 152.167143][ T5378] RBP: 00007f9d1be11e19 R08: 0000000000000000 R09: 0000000000000000 [ 152.170681][ T5378] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 152.174079][ T5378] R13: 00007f9d1bfc6128 R14: 00007f9d1bfc6090 R15: 00007ffd157d4508 [ 152.177724][ T5378] [ 152.179079][ T5378] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 152.182251][ T5378] CPU: 0 UID: 0 PID: 5378 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 152.185908][ T5378] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 152.189866][ T5378] Call Trace: [ 152.191203][ T5378] [ 152.192628][ T5378] dump_stack_lvl+0x99/0x250 [ 152.194549][ T5378] ? __asan_memcpy+0x40/0x70 [ 152.196510][ T5378] ? __pfx_dump_stack_lvl+0x10/0x10 [ 152.198813][ T5378] ? __pfx__printk+0x10/0x10 [ 152.200890][ T5378] vpanic+0x281/0x750 [ 152.202568][ T5378] ? __pfx__printk+0x10/0x10 [ 152.204450][ T5378] ? __pfx_vpanic+0x10/0x10 [ 152.206502][ T5378] ? is_bpf_text_address+0x26/0x2b0 [ 152.208982][ T5378] panic+0xb9/0xc0 [ 152.210721][ T5378] ? __pfx_panic+0x10/0x10 [ 152.212753][ T5378] __warn+0x31b/0x4b0 [ 152.214618][ T5378] ? mark_buffer_dirty+0x2a9/0x410 [ 152.216886][ T5378] ? mark_buffer_dirty+0x2a9/0x410 [ 152.219060][ T5378] report_bug+0x2be/0x4f0 [ 152.220567][ T5378] ? mark_buffer_dirty+0x2a9/0x410 [ 152.222437][ T5378] ? mark_buffer_dirty+0x2a9/0x410 [ 152.224393][ T5378] ? mark_buffer_dirty+0x2ab/0x410 [ 152.226408][ T5378] handle_bug+0x84/0x160 [ 152.228103][ T5378] exc_invalid_op+0x1a/0x50 [ 152.229777][ T5378] asm_exc_invalid_op+0x1a/0x20 [ 152.231790][ T5378] RIP: 0010:mark_buffer_dirty+0x2a9/0x410 [ 152.234077][ T5378] Code: 4c 89 f7 e8 d9 4b dd ff 49 8b 3e be 20 00 00 00 5b 41 5c 41 5e 41 5f 5d e9 d4 02 fc ff e8 0f 5f 78 ff eb 8c e8 08 5f 78 ff 90 <0f> 0b 90 e9 95 fd ff ff e8 fa 5e 78 ff 90 0f 0b 90 e9 bf fd ff ff [ 152.242440][ T5378] RSP: 0018:ffffc9000d527608 EFLAGS: 00010293 [ 152.244850][ T5378] RAX: ffffffff82475eb8 RBX: ffff888042fae570 RCX: ffff888000f34880 [ 152.248196][ T5378] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000002 [ 152.251510][ T5378] RBP: ffff8880532a2001 R08: ffff888042fae577 R09: 1ffff110085f5cae [ 152.254901][ T5378] R10: dffffc0000000000 R11: ffffed10085f5caf R12: ffff88804c957400 [ 152.257970][ T5378] R13: ffff888042fab1d0 R14: ffff888042fae570 R15: 000000000000000a [ 152.261289][ T5378] ? mark_buffer_dirty+0x2a8/0x410 [ 152.263646][ T5378] ? mark_buffer_dirty+0x2a8/0x410 [ 152.265749][ T5378] bfs_get_block+0x5da/0xae0 [ 152.267657][ T5378] __block_write_begin_int+0x6b5/0x1900 [ 152.269839][ T5378] ? __pfx_bfs_get_block+0x10/0x10 [ 152.272185][ T5378] ? __pfx___block_write_begin_int+0x10/0x10 [ 152.274804][ T5378] ? __filemap_get_folio+0x79f/0xaf0 [ 152.277064][ T5378] ? __pfx_bfs_get_block+0x10/0x10 [ 152.279178][ T5378] block_write_begin+0x8a/0x120 [ 152.281148][ T5378] ? bfs_write_begin+0x1e/0xd0 [ 152.283055][ T5378] bfs_write_begin+0x35/0xd0 [ 152.284948][ T5378] generic_perform_write+0x2c5/0x900 [ 152.287264][ T5378] ? __pfx_generic_perform_write+0x10/0x10 [ 152.289849][ T5378] ? file_update_time+0x2da/0x490 [ 152.291966][ T5378] ? __generic_file_write_iter+0xf9/0x230 [ 152.294447][ T5378] ? generic_file_write_iter+0x103/0x550 [ 152.296878][ T5378] generic_file_write_iter+0x117/0x550 [ 152.299174][ T5378] ? __pfx_generic_file_write_iter+0x10/0x10 [ 152.301910][ T5378] ? __lock_acquire+0xab9/0xd20 [ 152.304116][ T5378] ? rcu_read_lock_any_held+0xb3/0x120 [ 152.306565][ T5378] ? __pfx_rcu_read_lock_any_held+0x10/0x10 [ 152.309168][ T5378] vfs_write+0x5c9/0xb30 [ 152.311033][ T5378] ? __pfx_generic_file_write_iter+0x10/0x10 [ 152.313742][ T5378] ? __pfx_vfs_write+0x10/0x10 [ 152.315831][ T5378] ? __fget_files+0x2a/0x420 [ 152.317782][ T5378] ksys_write+0x145/0x250 [ 152.319556][ T5378] ? __pfx_ksys_write+0x10/0x10 [ 152.321678][ T5378] ? rcu_is_watching+0x15/0xb0 [ 152.323714][ T5378] ? do_syscall_64+0xbe/0x3b0 [ 152.325727][ T5378] do_syscall_64+0xfa/0x3b0 [ 152.327669][ T5378] ? lockdep_hardirqs_on+0x9c/0x150 [ 152.329820][ T5378] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 152.332457][ T5378] ? clear_bhb_loop+0x60/0xb0 [ 152.334495][ T5378] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 152.337086][ T5378] RIP: 0033:0x7f9d1bd8ebe9 [ 152.339105][ T5378] 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 [ 152.347527][ T5378] RSP: 002b:00007f9d1cc64038 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 152.351141][ T5378] RAX: ffffffffffffffda RBX: 00007f9d1bfc6090 RCX: 00007f9d1bd8ebe9 [ 152.354548][ T5378] RDX: 000000000000fecc RSI: 00002000000008c0 RDI: 000000000000002e [ 152.358025][ T5378] RBP: 00007f9d1be11e19 R08: 0000000000000000 R09: 0000000000000000 [ 152.361326][ T5378] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 152.364657][ T5378] R13: 00007f9d1bfc6128 R14: 00007f9d1bfc6090 R15: 00007ffd157d4508 [ 152.368046][ T5378] [ 152.369723][ T5378] Kernel Offset: disabled [ 152.371646][ T5378] Rebooting in 86400 seconds..