Warning: Permanently added '10.128.1.170' (ED25519) to the list of known hosts. 2024/02/28 14:41:10 ignoring optional flag "sandboxArg"="0" 2024/02/28 14:41:10 parsed 1 programs [ 39.669956][ T24] audit: type=1400 audit(1709131270.859:154): avc: denied { mounton } for pid=337 comm="syz-executor" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 [ 39.694992][ T24] audit: type=1400 audit(1709131270.889:155): avc: denied { mount } for pid=337 comm="syz-executor" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 39.718546][ T24] audit: type=1400 audit(1709131270.909:156): avc: denied { unlink } for pid=337 comm="syz-executor" name="swap-file" dev="sda1" ino=1928 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t" 2024/02/28 14:41:11 executed programs: 0 [ 39.791646][ T337] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 39.833502][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.840334][ T343] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.847659][ T343] device bridge_slave_0 entered promiscuous mode [ 39.854515][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.861492][ T343] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.868740][ T343] device bridge_slave_1 entered promiscuous mode [ 39.894005][ T24] audit: type=1400 audit(1709131271.089:157): avc: denied { write } for pid=343 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 39.898207][ T343] bridge0: port 2(bridge_slave_1) entered blocking state [ 39.914682][ T24] audit: type=1400 audit(1709131271.089:158): avc: denied { read } for pid=343 comm="syz-executor.0" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 39.922195][ T343] bridge0: port 2(bridge_slave_1) entered forwarding state [ 39.922284][ T343] bridge0: port 1(bridge_slave_0) entered blocking state [ 39.956729][ T343] bridge0: port 1(bridge_slave_0) entered forwarding state [ 39.971593][ T53] bridge0: port 1(bridge_slave_0) entered disabled state [ 39.978777][ T53] bridge0: port 2(bridge_slave_1) entered disabled state [ 39.986315][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 39.993830][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 40.011259][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 40.019743][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 40.027785][ T53] bridge0: port 1(bridge_slave_0) entered blocking state [ 40.034634][ T53] bridge0: port 1(bridge_slave_0) entered forwarding state [ 40.042925][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 40.050955][ T53] bridge0: port 2(bridge_slave_1) entered blocking state [ 40.057898][ T53] bridge0: port 2(bridge_slave_1) entered forwarding state [ 40.065285][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 40.073133][ T53] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 40.081606][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 40.089329][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 40.097099][ T25] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 40.105450][ T343] device veth0_vlan entered promiscuous mode [ 40.114188][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 40.122765][ T343] device veth1_macvtap entered promiscuous mode [ 40.131072][ T296] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 40.141042][ T297] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 40.153830][ T24] audit: type=1400 audit(1709131271.349:159): avc: denied { mounton } for pid=343 comm="syz-executor.0" path="/dev/binderfs" dev="devtmpfs" ino=357 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 40.183598][ T24] audit: type=1400 audit(1709131271.379:160): avc: denied { mounton } for pid=347 comm="syz-executor.0" path="/root/syzkaller-testdir4289062507/syzkaller.RHtH33/0/file1" dev="sda1" ino=1938 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 40.222366][ T348] EXT4-fs (loop0): 1 orphan inode deleted [ 40.227917][ T348] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 40.237415][ T348] ext4 filesystem being mounted at /root/syzkaller-testdir4289062507/syzkaller.RHtH33/0/file1 supports timestamps until 2038 (0x7fffffff) [ 40.237435][ T24] audit: type=1400 audit(1709131271.439:161): avc: denied { mount } for pid=347 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 40.273431][ T24] audit: type=1400 audit(1709131271.449:162): avc: denied { write } for pid=347 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 40.295174][ T24] audit: type=1400 audit(1709131271.449:163): avc: denied { add_name } for pid=347 comm="syz-executor.0" name="bus" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=dir permissive=1 [ 40.316430][ T7] ================================================================== [ 40.324314][ T7] BUG: KASAN: use-after-free in ext4_find_extent+0xbab/0xdb0 [ 40.331495][ T7] Read of size 4 at addr ffff888122500090 by task kworker/u4:0/7 [ 40.339054][ T7] [ 40.341220][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Not tainted 5.10.209-syzkaller-999849-gdd976ecce2ce #0 [ 40.351030][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 40.361261][ T7] Workqueue: writeback wb_workfn (flush-7:0) [ 40.367082][ T7] Call Trace: [ 40.370200][ T7] dump_stack_lvl+0x1e2/0x24b [ 40.374712][ T7] ? bfq_pos_tree_add_move+0x43b/0x43b [ 40.380007][ T7] ? panic+0x80b/0x80b [ 40.383911][ T7] ? __getblk_gfp+0x3d/0x7e0 [ 40.388332][ T7] print_address_description+0x81/0x3b0 [ 40.393712][ T7] kasan_report+0x179/0x1c0 [ 40.398049][ T7] ? ext4_find_extent+0xbab/0xdb0 [ 40.403019][ T7] ? ext4_find_extent+0xbab/0xdb0 [ 40.407865][ T7] __asan_report_load4_noabort+0x14/0x20 [ 40.413327][ T7] ext4_find_extent+0xbab/0xdb0 [ 40.418021][ T7] ext4_ext_map_blocks+0x26d/0x6be0 [ 40.423048][ T7] ? _raw_spin_lock+0x1b0/0x1b0 [ 40.427904][ T7] ? stack_trace_save+0x113/0x1c0 [ 40.432769][ T7] ? __stack_depot_save+0x468/0x4d0 [ 40.437799][ T7] ? ext4_ext_release+0x10/0x10 [ 40.443096][ T7] ? slab_post_alloc_hook+0x61/0x2f0 [ 40.448216][ T7] ? kmem_cache_alloc+0x168/0x2e0 [ 40.453076][ T7] ? ext4_alloc_io_end_vec+0x2a/0x170 [ 40.458306][ T7] ? ext4_writepages+0x122f/0x3c00 [ 40.463348][ T7] ? do_writepages+0x12e/0x270 [ 40.467927][ T7] ? __writeback_single_inode+0xd7/0xac0 [ 40.473925][ T7] ? writeback_sb_inodes+0x99c/0x16b0 [ 40.480092][ T7] ? wb_writeback+0x404/0xc60 [ 40.484604][ T7] ? wb_workfn+0x3d9/0x1110 [ 40.489818][ T7] ? process_one_work+0x6dc/0xbd0 [ 40.494931][ T7] ? worker_thread+0xaea/0x1510 [ 40.499862][ T7] ? kthread+0x34b/0x3d0 [ 40.503941][ T7] ? ret_from_fork+0x1f/0x30 [ 40.508389][ T7] ? _raw_read_unlock+0x25/0x40 [ 40.513055][ T7] ? ext4_es_lookup_extent+0x33b/0x940 [ 40.518344][ T7] ext4_map_blocks+0xaa7/0x1ec0 [ 40.523382][ T7] ? ext4_issue_zeroout+0x1b0/0x1b0 [ 40.528674][ T7] ? ext4_inode_journal_mode+0x1a5/0x470 [ 40.534141][ T7] ext4_writepages+0x148b/0x3c00 [ 40.538920][ T7] ? ext4_readpage+0x230/0x230 [ 40.543619][ T7] ? psi_task_change+0x1e6/0x360 [ 40.548378][ T7] ? __kasan_check_write+0x14/0x20 [ 40.553320][ T7] ? resched_curr+0x9d/0x1c0 [ 40.557747][ T7] ? check_preempt_wakeup+0x564/0xbb0 [ 40.562958][ T7] ? sched_clock+0x3a/0x40 [ 40.567214][ T7] ? check_preempt_curr+0xd6/0x1b0 [ 40.572173][ T7] ? _raw_spin_unlock+0x4d/0x70 [ 40.576843][ T7] ? ext4_readpage+0x230/0x230 [ 40.581447][ T7] do_writepages+0x12e/0x270 [ 40.585868][ T7] ? __writepage+0x130/0x130 [ 40.590298][ T7] ? __kasan_check_write+0x14/0x20 [ 40.595245][ T7] ? _raw_spin_lock+0xa4/0x1b0 [ 40.599934][ T7] ? __kasan_check_write+0x14/0x20 [ 40.604879][ T7] ? _raw_spin_lock+0xa4/0x1b0 [ 40.609480][ T7] __writeback_single_inode+0xd7/0xac0 [ 40.614773][ T7] writeback_sb_inodes+0x99c/0x16b0 [ 40.619817][ T7] ? _raw_spin_lock+0xa4/0x1b0 [ 40.624430][ T7] ? queue_io+0x520/0x520 [ 40.628596][ T7] ? writeback_sb_inodes+0x16b0/0x16b0 [ 40.634223][ T7] ? queue_io+0x3d3/0x520 [ 40.638382][ T7] wb_writeback+0x404/0xc60 [ 40.642849][ T7] ? wb_io_lists_depopulated+0x180/0x180 [ 40.648321][ T7] ? set_worker_desc+0x158/0x1c0 [ 40.653090][ T7] ? __kasan_check_write+0x14/0x20 [ 40.658110][ T7] wb_workfn+0x3d9/0x1110 [ 40.662272][ T7] ? inode_wait_for_writeback+0x280/0x280 [ 40.667845][ T7] ? _raw_spin_unlock_irq+0x4e/0x70 [ 40.672927][ T7] ? finish_task_switch+0x130/0x5a0 [ 40.677895][ T7] ? switch_mm_irqs_off+0x71b/0x9a0 [ 40.682929][ T7] ? __switch_to_asm+0x34/0x60 [ 40.687526][ T7] ? __kasan_check_read+0x11/0x20 [ 40.692393][ T7] ? read_word_at_a_time+0x12/0x20 [ 40.697422][ T7] ? strscpy+0x9c/0x260 [ 40.701420][ T7] process_one_work+0x6dc/0xbd0 [ 40.706099][ T7] worker_thread+0xaea/0x1510 [ 40.710622][ T7] kthread+0x34b/0x3d0 [ 40.714691][ T7] ? worker_clr_flags+0x180/0x180 [ 40.719550][ T7] ? kthread_blkcg+0xd0/0xd0 [ 40.723977][ T7] ret_from_fork+0x1f/0x30 [ 40.728226][ T7] [ 40.730395][ T7] The buggy address belongs to the page: [ 40.735877][ T7] page:ffffea0004894000 refcount:0 mapcount:0 mapping:0000000000000000 index:0x1 pfn:0x122500 [ 40.745940][ T7] flags: 0x4000000000000000() [ 40.750552][ T7] raw: 4000000000000000 ffffea0004894048 ffffea0004893fc8 0000000000000000 [ 40.758962][ T7] raw: 0000000000000001 0000000000000000 00000000ffffffff 0000000000000000 [ 40.767375][ T7] page dumped because: kasan: bad access detected [ 40.773624][ T7] page_owner info is not present (never set?) [ 40.779521][ T7] [ 40.781707][ T7] Memory state around the buggy address: [ 40.787183][ T7] ffff8881224fff80: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 40.795182][ T7] ffff888122500000: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 40.803153][ T7] >ffff888122500080: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 40.811873][ T7] ^ [ 40.816296][ T7] ffff888122500100: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 40.824473][ T7] ffff888122500180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 40.832453][ T7] ================================================================== [ 40.840450][ T7] Disabling lock debugging due to kernel taint [ 40.848584][ T7] ------------[ cut here ]------------ [ 40.853897][ T7] kernel BUG at fs/ext4/inode.c:2452! [ 40.859072][ T7] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 40.864962][ T7] CPU: 0 PID: 7 Comm: kworker/u4:0 Tainted: G B 5.10.209-syzkaller-999849-gdd976ecce2ce #0 [ 40.876185][ T7] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/25/2024 [ 40.886094][ T7] Workqueue: writeback wb_workfn (flush-7:0) [ 40.891888][ T7] RIP: 0010:ext4_writepages+0x3b44/0x3c00 [ 40.897446][ T7] Code: 00 74 08 48 89 df e8 8b f0 c9 ff 48 8b 3b 48 8b 74 24 28 48 8b 54 24 50 44 89 e1 45 89 f8 e8 13 d2 07 00 eb 5d e8 ec 78 8c ff <0f> 0b e8 e5 78 8c ff eb 3b e8 de 78 8c ff eb 77 e8 d7 78 8c ff 31 [ 40.917106][ T7] RSP: 0018:ffffc900000770a0 EFLAGS: 00010293 [ 40.922984][ T7] RAX: ffffffff81de2f04 RBX: dffffc0000000000 RCX: ffff888100253b40 [ 40.930802][ T7] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 40.938615][ T7] RBP: ffffc90000077490 R08: ffffffff81de0b09 R09: ffffed1023871b37 [ 40.946421][ T7] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900000773b0 [ 40.954225][ T7] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 40.962056][ T7] FS: 0000000000000000(0000) GS:ffff8881f7200000(0000) knlGS:0000000000000000 [ 40.970819][ T7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 40.977228][ T7] CR2: 00005577bdb74dc8 CR3: 000000011ed56000 CR4: 00000000003506b0 [ 40.985194][ T7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 40.993012][ T7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.000913][ T7] Call Trace: [ 41.004285][ T7] ? __die_body+0x62/0xb0 [ 41.008439][ T7] ? die+0x88/0xb0 [ 41.011984][ T7] ? do_trap+0x1a4/0x310 [ 41.016076][ T7] ? ext4_writepages+0x3b44/0x3c00 [ 41.021265][ T7] ? handle_invalid_op+0x95/0xc0 [ 41.026035][ T7] ? ext4_writepages+0x3b44/0x3c00 [ 41.030985][ T7] ? exc_invalid_op+0x32/0x50 [ 41.035492][ T7] ? asm_exc_invalid_op+0x12/0x20 [ 41.040346][ T7] ? ext4_writepages+0x1749/0x3c00 [ 41.045330][ T7] ? ext4_writepages+0x3b44/0x3c00 [ 41.050241][ T7] ? ext4_writepages+0x3b44/0x3c00 [ 41.055278][ T7] ? ext4_readpage+0x230/0x230 [ 41.059870][ T7] ? psi_task_change+0x1e6/0x360 [ 41.064668][ T7] ? __kasan_check_write+0x14/0x20 [ 41.069600][ T7] ? resched_curr+0x9d/0x1c0 [ 41.074025][ T7] ? check_preempt_wakeup+0x564/0xbb0 [ 41.079224][ T7] ? sched_clock+0x3a/0x40 [ 41.083480][ T7] ? check_preempt_curr+0xd6/0x1b0 [ 41.088429][ T7] ? _raw_spin_unlock+0x4d/0x70 [ 41.093195][ T7] ? ext4_readpage+0x230/0x230 [ 41.097800][ T7] do_writepages+0x12e/0x270 [ 41.102227][ T7] ? __writepage+0x130/0x130 [ 41.106710][ T7] ? __kasan_check_write+0x14/0x20 [ 41.111622][ T7] ? _raw_spin_lock+0xa4/0x1b0 [ 41.116203][ T7] ? __kasan_check_write+0x14/0x20 [ 41.121157][ T7] ? _raw_spin_lock+0xa4/0x1b0 [ 41.125834][ T7] __writeback_single_inode+0xd7/0xac0 [ 41.131162][ T7] writeback_sb_inodes+0x99c/0x16b0 [ 41.136191][ T7] ? _raw_spin_lock+0xa4/0x1b0 [ 41.140761][ T7] ? queue_io+0x520/0x520 [ 41.144926][ T7] ? writeback_sb_inodes+0x16b0/0x16b0 [ 41.150223][ T7] ? queue_io+0x3d3/0x520 [ 41.154389][ T7] wb_writeback+0x404/0xc60 [ 41.158728][ T7] ? wb_io_lists_depopulated+0x180/0x180 [ 41.164196][ T7] ? set_worker_desc+0x158/0x1c0 [ 41.168970][ T7] ? __kasan_check_write+0x14/0x20 [ 41.173920][ T7] wb_workfn+0x3d9/0x1110 [ 41.178083][ T7] ? inode_wait_for_writeback+0x280/0x280 [ 41.183702][ T7] ? _raw_spin_unlock_irq+0x4e/0x70 [ 41.188698][ T7] ? finish_task_switch+0x130/0x5a0 [ 41.193709][ T7] ? switch_mm_irqs_off+0x71b/0x9a0 [ 41.198739][ T7] ? __switch_to_asm+0x34/0x60 [ 41.203342][ T7] ? __kasan_check_read+0x11/0x20 [ 41.208210][ T7] ? read_word_at_a_time+0x12/0x20 [ 41.213148][ T7] ? strscpy+0x9c/0x260 [ 41.217142][ T7] process_one_work+0x6dc/0xbd0 [ 41.222000][ T7] worker_thread+0xaea/0x1510 [ 41.226512][ T7] kthread+0x34b/0x3d0 [ 41.230411][ T7] ? worker_clr_flags+0x180/0x180 [ 41.235248][ T7] ? kthread_blkcg+0xd0/0xd0 [ 41.239701][ T7] ret_from_fork+0x1f/0x30 [ 41.243937][ T7] Modules linked in: [ 41.248983][ T7] ---[ end trace 063130824c4d823a ]--- [ 41.254755][ T7] RIP: 0010:ext4_writepages+0x3b44/0x3c00 [ 41.260279][ T7] Code: 00 74 08 48 89 df e8 8b f0 c9 ff 48 8b 3b 48 8b 74 24 28 48 8b 54 24 50 44 89 e1 45 89 f8 e8 13 d2 07 00 eb 5d e8 ec 78 8c ff <0f> 0b e8 e5 78 8c ff eb 3b e8 de 78 8c ff eb 77 e8 d7 78 8c ff 31 [ 41.280418][ T7] RSP: 0018:ffffc900000770a0 EFLAGS: 00010293 [ 41.286345][ T7] RAX: ffffffff81de2f04 RBX: dffffc0000000000 RCX: ffff888100253b40 [ 41.294265][ T7] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 41.302322][ T7] RBP: ffffc90000077490 R08: ffffffff81de0b09 R09: ffffed1023871b37 [ 41.310220][ T7] R10: 0000000000000000 R11: dffffc0000000001 R12: ffffc900000773b0 [ 41.318126][ T7] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 41.325848][ T7] FS: 0000000000000000(0000) GS:ffff8881f7300000(0000) knlGS:0000000000000000 [ 41.334688][ T7] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.341025][ T7] CR2: 000000c001330000 CR3: 000000010bad3000 CR4: 00000000003506a0 [ 41.348920][ T7] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 41.356776][ T7] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 41.364559][ T7] Kernel panic - not syncing: Fatal exception [ 41.370635][ T7] Kernel Offset: disabled [ 41.374915][ T7] Rebooting in 86400 seconds..