program: syz_mount_image$ocfs2(&(0x7f0000004440), &(0x7f0000000040)='./file1\x00', 0x8c0, &(0x7f0000000080)=ANY=[@ANYBLOB='acl,heartbeat=none,dir_resv_level=00003,coherency=full,coherency=full,localflocks,coherency=full,noacl,\x00'/119], 0x1, 0x4421, &(0x7f0000004500)="$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r0 = syz_init_net_socket$bt_l2cap(0x1f, 0x1, 0x0) r1 = openat$ppp(0xffffffffffffff9c, &(0x7f0000000180), 0x800, 0x0) ioctl$BTRFS_IOC_BALANCE_PROGRESS(r1, 0x84009422, &(0x7f0000000680)={0x0, 0x0, {0x0, @usage, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @struct}, {0x0, @struct}, {0x0, @struct}}) bind$bt_l2cap(r0, &(0x7f0000000000), 0xe) setsockopt$bt_BT_FLUSHABLE(r0, 0x112, 0x7, 0xfffffffffffffffe, 0x0) symlink(&(0x7f0000000440)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', &(0x7f0000000000)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00') r2 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000000)='cpuset.effective_cpus\x00', 0x275a, 0x0) getsockopt$bt_l2cap_L2CAP_OPTIONS(r2, 0x6, 0x1, &(0x7f00000002c0), &(0x7f0000000300)=0xc) write$RDMA_USER_CM_CMD_CREATE_ID(r2, &(0x7f0000000140)={0x0, 0x18, 0xfa00, {0x0, 0x0}}, 0xffc9) r3 = openat$cgroup_ro(0xffffffffffffff9c, &(0x7f0000000040)='cpuset.effective_cpus\x00', 0x275a, 0x0) write$RDMA_USER_CM_CMD_CREATE_ID(r3, &(0x7f0000000240)={0x0, 0x18, 0xfa00, {0x1, &(0x7f0000000200)={0xffffffffffffffff}, 0x111, 0x6}}, 0x20) syz_mount_image$minix(&(0x7f0000000480), &(0x7f0000000000)='./file1\x00', 0x42, &(0x7f0000000540)=ANY=[], 0xd, 0x192, &(0x7f0000000700)="$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") socketpair$unix(0x1, 0x2, 0x0, &(0x7f0000000200)={0xffffffffffffffff, 0xffffffffffffffff}) sendmmsg$unix(r5, &(0x7f00000254c0)=[{{0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x820}}, {{&(0x7f0000001580)=@file={0x1, '\x13\x13w\xc5\xfc5\xd4\x14T\xd5\xd4\x1d)\xad\x1a`)Y\x81F\xe6\xbe\x16nA\xad\r\xbd@T\x03<\x9f3\xbb\xda\x82$\xa2\xf3\xd7r\xe7cnH\xb3<\xbfp\x83r\xe8\xf1\xb9\x93>\xc5\x12wC\xbe\"\x06 \x9e\xf0-\xf9\xcb\xf2\xf6\xe8\x80\xd38/\x00'}, 0x6e, 0x0, 0x0, 0x0, 0x0, 0x40042}}], 0x2, 0x0) write$RDMA_USER_CM_CMD_SET_OPTION(r2, &(0x7f0000000280)={0xe, 0x18, 0xfa00, @id_afonly={&(0x7f00000001c0)=0x1, r4, 0x0, 0x2, 0x4}}, 0x20) syz_mount_image$msdos(&(0x7f0000000f40), &(0x7f0000000f00)='.\x00', 0x1a4a438, &(0x7f0000000100)=ANY=[], 0xb, 0x0, &(0x7f0000000100)) r6 = syz_open_dev$loop(&(0x7f0000000640), 0x0, 0x22400) ioctl$LOOP_SET_STATUS(r6, 0x4c02, &(0x7f00000000c0)={0x0, {}, 0x0, {}, 0x1, 0x9, 0x9, 0x19, "9e959f16deab7b08aa26e66c4056a516950600000000000000eef4fb0efcc1d8a6078ed98e5e6bd5f8643902dd8f6fbed54de9d940ffa5e592bbd48685450d00", "f645469b7eeddbaca4dee96882e0fb7e904dc8df62a3ac93ec00010000005a08", [0x2, 0x5]}) openat(0xffffffffffffff9c, &(0x7f0000000080)='./file1\x00', 0x105042, 0x1ff) keyctl$session_to_parent(0x12) setxattr$trusted_overlay_upper(&(0x7f0000000340)='./file0aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa\x00', &(0x7f0000000540), &(0x7f0000000580)={0x0, 0xfb, 0x41, 0x4, 0xc, "715613d5fdb137cdbeac0610d2557e94", "955b54b0817fe4e96a1ffff8b619475934d6c246fb8d171f6a56c008753ad8ed39ec94cc5feb28314de5cbd4"}, 0x41, 0x2) [ 84.934015][ T5340] Bluetooth: hci0: command tx timeout [ 85.204130][ T5362] loop0: detected capacity change from 0 to 32768 [ 85.213237][ T5362] ======================================================= [ 85.213237][ T5362] WARNING: The mand mount option has been deprecated and [ 85.213237][ T5362] and is ignored by this kernel. Remove the mand [ 85.213237][ T5362] option from the mount to silence this warning. [ 85.213237][ T5362] ======================================================= [ 85.276781][ T5362] JBD2: Ignoring recovery information on journal [ 85.326640][ T5362] ocfs2: Mounting device (7,0) on (node local, slot 0) with ordered data mode. [ 85.385827][ T5362] (syz.0.0,5362,0):ocfs2_check_set_options:1244 ERROR: Invalid heartbeat mount options [ 85.408606][ T5362] loop0: detected capacity change from 32768 to 32767 [ 85.432183][ T5362] OCFS2: ERROR (device loop0): int ocfs2_validate_dx_root(struct super_block *, struct buffer_head *): Dir Index Root # 74 has bad signature XDIR01 [ 85.445892][ T5362] On-disk corruption discovered. Please run fsck.ocfs2 once the filesystem is unmounted. [ 85.457428][ T5362] OCFS2: File system is now read-only. [ 85.459935][ T5362] (syz.0.0,5362,0):ocfs2_find_entry_dx:1037 ERROR: status = -30 [ 85.463491][ T5362] ================================================================== [ 85.466942][ T5362] BUG: KASAN: use-after-free in ocfs2_dx_dir_lookup_rec+0x1eb/0x7f0 [ 85.470540][ T5362] Read of size 4 at addr ffff888053df82c0 by task syz.0.0/5362 [ 85.473855][ T5362] [ 85.474929][ T5362] CPU: 0 UID: 0 PID: 5362 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.474944][ T5362] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.474952][ T5362] Call Trace: [ 85.474959][ T5362] [ 85.474965][ T5362] dump_stack_lvl+0x189/0x250 [ 85.474984][ T5362] ? __kasan_check_byte+0x12/0x40 [ 85.474998][ T5362] ? __pfx_dump_stack_lvl+0x10/0x10 [ 85.475009][ T5362] ? lock_release+0x4b/0x3e0 [ 85.475024][ T5362] ? __virt_addr_valid+0x4a5/0x5c0 [ 85.475037][ T5362] print_report+0xca/0x240 [ 85.475047][ T5362] ? ocfs2_dx_dir_lookup_rec+0x1eb/0x7f0 [ 85.475059][ T5362] kasan_report+0x118/0x150 [ 85.475080][ T5362] ? ocfs2_dx_dir_lookup_rec+0x1eb/0x7f0 [ 85.475094][ T5362] ocfs2_dx_dir_lookup_rec+0x1eb/0x7f0 [ 85.475110][ T5362] ? __pfx_ocfs2_dx_dir_lookup_rec+0x10/0x10 [ 85.475123][ T5362] ? ocfs2_dx_dir_name_hash+0x229/0xaf0 [ 85.475137][ T5362] ? __asan_memcpy+0x40/0x70 [ 85.475149][ T5362] ? ocfs2_dx_dir_name_hash+0x9ba/0xaf0 [ 85.475162][ T5362] ocfs2_dx_dir_lookup+0xdb/0x520 [ 85.475172][ T5362] ? __pfx_ocfs2_dx_dir_lookup+0x10/0x10 [ 85.475180][ T5362] ? rcu_is_watching+0x15/0xb0 [ 85.475188][ T5362] ? ocfs2_buffer_cached+0x42a/0x8d0 [ 85.475200][ T5362] ocfs2_find_entry+0x1004/0x2000 [ 85.475210][ T5362] ? __pfx_ocfs2_validate_inode_block+0x10/0x10 [ 85.475218][ T5362] ? __pfx_ocfs2_find_entry+0x10/0x10 [ 85.475224][ T5362] ? __pfx_ocfs2_read_blocks+0x10/0x10 [ 85.475232][ T5362] ? __lock_acquire+0xab9/0xd20 [ 85.475246][ T5362] ? ocfs2_read_inode_block+0x11d/0x190 [ 85.475256][ T5362] ? __pfx_ocfs2_read_inode_block+0x10/0x10 [ 85.475266][ T5362] ? do_raw_spin_unlock+0x4d/0x240 [ 85.475279][ T5362] ? ocfs2_inode_lock_full_nested+0xabe/0x1b40 [ 85.475295][ T5362] ? rcu_is_watching+0x15/0xb0 [ 85.475306][ T5362] ? __pfx_ocfs2_inode_lock_full_nested+0x10/0x10 [ 85.475319][ T5362] ocfs2_check_dir_for_entry+0x14c/0x3f0 [ 85.475330][ T5362] ? __pfx_ocfs2_check_dir_for_entry+0x10/0x10 [ 85.475342][ T5362] ? kasan_save_free_info+0x46/0x50 [ 85.475356][ T5362] ocfs2_mknod+0x697/0x2050 [ 85.475375][ T5362] ? __pfx_ocfs2_mknod+0x10/0x10 [ 85.475388][ T5362] ? __pfx_ocfs2_find_entry+0x10/0x10 [ 85.475399][ T5362] ? __lock_acquire+0xab9/0xd20 [ 85.475419][ T5362] ? look_up_lock_class+0x74/0x170 [ 85.475489][ T5362] ? register_lock_class+0x51/0x320 [ 85.475506][ T5362] ? __lock_acquire+0xab9/0xd20 [ 85.475523][ T5362] ? __lock_acquire+0xab9/0xd20 [ 85.475540][ T5362] ? do_raw_spin_lock+0x121/0x290 [ 85.475554][ T5362] ? do_raw_spin_unlock+0x4d/0x240 [ 85.475567][ T5362] ? rcu_is_watching+0x15/0xb0 [ 85.475577][ T5362] ? ocfs2_lookup+0x5b9/0x9b0 [ 85.475593][ T5362] ocfs2_create+0x1a5/0x440 [ 85.475607][ T5362] ? __pfx_ocfs2_lookup+0x10/0x10 [ 85.475621][ T5362] ? from_kgid+0x1b0/0x650 [ 85.475633][ T5362] ? __pfx_ocfs2_create+0x10/0x10 [ 85.475646][ T5362] ? HAS_UNMAPPED_ID+0x11a/0x180 [ 85.475661][ T5362] ? inode_permission+0x149/0x470 [ 85.475673][ T5362] ? __pfx_ocfs2_permission+0x10/0x10 [ 85.475685][ T5362] ? bpf_lsm_inode_create+0x9/0x20 [ 85.475701][ T5362] ? __pfx_ocfs2_create+0x10/0x10 [ 85.475715][ T5362] path_openat+0x14f4/0x3830 [ 85.475724][ T5362] ? arch_stack_walk+0xfc/0x150 [ 85.475743][ T5362] ? __pfx_path_openat+0x10/0x10 [ 85.475752][ T5362] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.475766][ T5362] do_filp_open+0x1fa/0x410 [ 85.475776][ T5362] ? __lock_acquire+0xab9/0xd20 [ 85.475792][ T5362] ? __pfx_do_filp_open+0x10/0x10 [ 85.475808][ T5362] ? _raw_spin_unlock+0x28/0x50 [ 85.475824][ T5362] ? alloc_fd+0x64c/0x6c0 [ 85.475835][ T5362] do_sys_openat2+0x121/0x1c0 [ 85.475845][ T5362] ? __pfx_do_sys_openat2+0x10/0x10 [ 85.475855][ T5362] ? rcu_is_watching+0x15/0xb0 [ 85.475861][ T5362] __x64_sys_openat+0x138/0x170 [ 85.475868][ T5362] do_syscall_64+0xfa/0x3b0 [ 85.475875][ T5362] ? lockdep_hardirqs_on+0x9c/0x150 [ 85.475880][ T5362] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.475886][ T5362] ? clear_bhb_loop+0x60/0xb0 [ 85.475893][ T5362] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.475899][ T5362] RIP: 0033:0x7f1392d8eec9 [ 85.475907][ T5362] 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 [ 85.475913][ T5362] RSP: 002b:00007f1393cea038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 85.475924][ T5362] RAX: ffffffffffffffda RBX: 00007f1392fe5fa0 RCX: 00007f1392d8eec9 [ 85.475931][ T5362] RDX: 0000000000105042 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 85.475940][ T5362] RBP: 00007f1392e11f91 R08: 0000000000000000 R09: 0000000000000000 [ 85.475946][ T5362] R10: 00000000000001ff R11: 0000000000000246 R12: 0000000000000000 [ 85.475951][ T5362] R13: 00007f1392fe6038 R14: 00007f1392fe5fa0 R15: 00007ffcedd11e08 [ 85.475963][ T5362] [ 85.475966][ T5362] [ 85.675953][ T5362] The buggy address belongs to the physical page: [ 85.678545][ T5362] page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x53df8 [ 85.682113][ T5362] flags: 0x4fff00000000000(node=1|zone=1|lastcpupid=0x7ff) [ 85.685071][ T5362] raw: 04fff00000000000 ffffea00014f7e48 ffffea00014f6d88 0000000000000000 [ 85.688579][ T5362] raw: 0000000000000000 0000000000000000 00000000ffffffff 0000000000000000 [ 85.692126][ T5362] page dumped because: kasan: bad access detected [ 85.694664][ T5362] page_owner info is not present (never set?) [ 85.697347][ T5362] [ 85.698380][ T5362] Memory state around the buggy address: [ 85.700538][ T5362] ffff888053df8180: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 85.703628][ T5362] ffff888053df8200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 85.706836][ T5362] >ffff888053df8280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 85.709972][ T5362] ^ [ 85.712406][ T5362] ffff888053df8300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 85.715343][ T5362] ffff888053df8380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff [ 85.718585][ T5362] ================================================================== [ 85.756481][ T5362] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 85.759422][ T5362] CPU: 0 UID: 0 PID: 5362 Comm: syz.0.0 Not tainted syzkaller #0 PREEMPT(full) [ 85.762973][ T5362] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 85.767245][ T5362] Call Trace: [ 85.768622][ T5362] [ 85.769855][ T5362] dump_stack_lvl+0x99/0x250 [ 85.771807][ T5362] ? __asan_memcpy+0x40/0x70 [ 85.773767][ T5362] ? __pfx_dump_stack_lvl+0x10/0x10 [ 85.776022][ T5362] ? __pfx__printk+0x10/0x10 [ 85.778041][ T5362] vpanic+0x281/0x750 [ 85.779765][ T5362] ? preempt_schedule+0xae/0xc0 [ 85.781830][ T5362] ? __pfx_vpanic+0x10/0x10 [ 85.783805][ T5362] ? preempt_schedule_common+0x83/0xd0 [ 85.786122][ T5362] ? preempt_schedule+0xae/0xc0 [ 85.788175][ T5362] ? __pfx_preempt_schedule+0x10/0x10 [ 85.790321][ T5362] panic+0xb9/0xc0 [ 85.791869][ T5362] ? __pfx_panic+0x10/0x10 [ 85.793735][ T5362] ? _raw_spin_unlock_irqrestore+0xfd/0x110 [ 85.796281][ T5362] ? ocfs2_dx_dir_lookup_rec+0x1eb/0x7f0 [ 85.798666][ T5362] check_panic_on_warn+0x89/0xb0 [ 85.800791][ T5362] ? ocfs2_dx_dir_lookup_rec+0x1eb/0x7f0 [ 85.803160][ T5362] end_report+0x78/0x160 [ 85.804947][ T5362] kasan_report+0x129/0x150 [ 85.806940][ T5362] ? ocfs2_dx_dir_lookup_rec+0x1eb/0x7f0 [ 85.809301][ T5362] ocfs2_dx_dir_lookup_rec+0x1eb/0x7f0 [ 85.811547][ T5362] ? __pfx_ocfs2_dx_dir_lookup_rec+0x10/0x10 [ 85.814032][ T5362] ? ocfs2_dx_dir_name_hash+0x229/0xaf0 [ 85.816428][ T5362] ? __asan_memcpy+0x40/0x70 [ 85.818389][ T5362] ? ocfs2_dx_dir_name_hash+0x9ba/0xaf0 [ 85.820746][ T5362] ocfs2_dx_dir_lookup+0xdb/0x520 [ 85.822972][ T5362] ? __pfx_ocfs2_dx_dir_lookup+0x10/0x10 [ 85.825435][ T5362] ? rcu_is_watching+0x15/0xb0 [ 85.827519][ T5362] ? ocfs2_buffer_cached+0x42a/0x8d0 [ 85.829543][ T5362] ocfs2_find_entry+0x1004/0x2000 [ 85.831592][ T5362] ? __pfx_ocfs2_validate_inode_block+0x10/0x10 [ 85.834251][ T5362] ? __pfx_ocfs2_find_entry+0x10/0x10 [ 85.836567][ T5362] ? __pfx_ocfs2_read_blocks+0x10/0x10 [ 85.838966][ T5362] ? __lock_acquire+0xab9/0xd20 [ 85.840985][ T5362] ? ocfs2_read_inode_block+0x11d/0x190 [ 85.843213][ T5362] ? __pfx_ocfs2_read_inode_block+0x10/0x10 [ 85.845833][ T5362] ? do_raw_spin_unlock+0x4d/0x240 [ 85.848024][ T5362] ? ocfs2_inode_lock_full_nested+0xabe/0x1b40 [ 85.850538][ T5362] ? rcu_is_watching+0x15/0xb0 [ 85.852638][ T5362] ? __pfx_ocfs2_inode_lock_full_nested+0x10/0x10 [ 85.855425][ T5362] ocfs2_check_dir_for_entry+0x14c/0x3f0 [ 85.857771][ T5362] ? __pfx_ocfs2_check_dir_for_entry+0x10/0x10 [ 85.860417][ T5362] ? kasan_save_free_info+0x46/0x50 [ 85.862668][ T5362] ocfs2_mknod+0x697/0x2050 [ 85.864709][ T5362] ? __pfx_ocfs2_mknod+0x10/0x10 [ 85.866619][ T5362] ? __pfx_ocfs2_find_entry+0x10/0x10 [ 85.868709][ T5362] ? __lock_acquire+0xab9/0xd20 [ 85.870681][ T5362] ? look_up_lock_class+0x74/0x170 [ 85.872930][ T5362] ? register_lock_class+0x51/0x320 [ 85.875276][ T5362] ? __lock_acquire+0xab9/0xd20 [ 85.877309][ T5362] ? __lock_acquire+0xab9/0xd20 [ 85.879468][ T5362] ? do_raw_spin_lock+0x121/0x290 [ 85.881587][ T5362] ? do_raw_spin_unlock+0x4d/0x240 [ 85.883886][ T5362] ? rcu_is_watching+0x15/0xb0 [ 85.885987][ T5362] ? ocfs2_lookup+0x5b9/0x9b0 [ 85.887979][ T5362] ocfs2_create+0x1a5/0x440 [ 85.889977][ T5362] ? __pfx_ocfs2_lookup+0x10/0x10 [ 85.892261][ T5362] ? from_kgid+0x1b0/0x650 [ 85.894246][ T5362] ? __pfx_ocfs2_create+0x10/0x10 [ 85.896472][ T5362] ? HAS_UNMAPPED_ID+0x11a/0x180 [ 85.898642][ T5362] ? inode_permission+0x149/0x470 [ 85.900883][ T5362] ? __pfx_ocfs2_permission+0x10/0x10 [ 85.903260][ T5362] ? bpf_lsm_inode_create+0x9/0x20 [ 85.905615][ T5362] ? __pfx_ocfs2_create+0x10/0x10 [ 85.907877][ T5362] path_openat+0x14f4/0x3830 [ 85.909884][ T5362] ? arch_stack_walk+0xfc/0x150 [ 85.912060][ T5362] ? __pfx_path_openat+0x10/0x10 [ 85.914133][ T5362] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.916714][ T5362] do_filp_open+0x1fa/0x410 [ 85.918517][ T5362] ? __lock_acquire+0xab9/0xd20 [ 85.920476][ T5362] ? __pfx_do_filp_open+0x10/0x10 [ 85.922738][ T5362] ? _raw_spin_unlock+0x28/0x50 [ 85.924829][ T5362] ? alloc_fd+0x64c/0x6c0 [ 85.926773][ T5362] do_sys_openat2+0x121/0x1c0 [ 85.928876][ T5362] ? __pfx_do_sys_openat2+0x10/0x10 [ 85.931154][ T5362] ? rcu_is_watching+0x15/0xb0 [ 85.933172][ T5362] __x64_sys_openat+0x138/0x170 [ 85.935205][ T5362] do_syscall_64+0xfa/0x3b0 [ 85.937168][ T5362] ? lockdep_hardirqs_on+0x9c/0x150 [ 85.939354][ T5362] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.942015][ T5362] ? clear_bhb_loop+0x60/0xb0 [ 85.944711][ T5362] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 85.947676][ T5362] RIP: 0033:0x7f1392d8eec9 [ 85.949506][ T5362] 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 [ 85.957787][ T5362] RSP: 002b:00007f1393cea038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101 [ 85.961381][ T5362] RAX: ffffffffffffffda RBX: 00007f1392fe5fa0 RCX: 00007f1392d8eec9 [ 85.964591][ T5362] RDX: 0000000000105042 RSI: 0000200000000080 RDI: ffffffffffffff9c [ 85.967654][ T5362] RBP: 00007f1392e11f91 R08: 0000000000000000 R09: 0000000000000000 [ 85.971104][ T5362] R10: 00000000000001ff R11: 0000000000000246 R12: 0000000000000000 [ 85.974558][ T5362] R13: 00007f1392fe6038 R14: 00007f1392fe5fa0 R15: 00007ffcedd11e08 [ 85.978007][ T5362] [ 85.979724][ T5362] Kernel Offset: disabled [ 85.981588][ T5362] Rebooting in 86400 seconds..