Warning: Permanently added '[localhost]:54238' (ED25519) to the list of known hosts. syzkaller login: [ 90.655696][ T5103] cgroup: Unknown subsys name 'net' [ 90.759127][ T5103] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program executing program executing program executing program [ 91.777468][ T8] cfg80211: failed to load regulatory.db [ 93.047407][ T5134] loop0: detected capacity change from 0 to 32768 executing program [ 93.292070][ T5136] lmLogOpen: exit(-6) executing program executing program executing program executing program executing program [ 94.950310][ T5148] loop0: detected capacity change from 0 to 32768 executing program executing program executing program [ 95.183125][ T5148] ================================================================== [ 95.186074][ T5148] BUG: KASAN: slab-use-after-free in __mutex_lock+0xfe/0xd70 [ 95.188801][ T5148] Read of size 8 at addr ffff8880463af4b0 by task syz-executor336/5148 [ 95.192564][ T5148] [ 95.193482][ T5148] CPU: 0 UID: 0 PID: 5148 Comm: syz-executor336 Not tainted 6.11.0-rc7-syzkaller-00149-g0babf683783d #0 [ 95.197689][ T5148] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 95.201450][ T5148] Call Trace: [ 95.202681][ T5148] [ 95.203758][ T5148] dump_stack_lvl+0x241/0x360 [ 95.205579][ T5148] ? __pfx_dump_stack_lvl+0x10/0x10 [ 95.207594][ T5148] ? __pfx__printk+0x10/0x10 [ 95.209347][ T5148] ? _printk+0xd5/0x120 [ 95.211006][ T5148] ? __virt_addr_valid+0x183/0x530 [ 95.213210][ T5148] ? __virt_addr_valid+0x183/0x530 [ 95.215673][ T5148] print_report+0x169/0x550 [ 95.217568][ T5148] ? __virt_addr_valid+0x183/0x530 [ 95.219538][ T5148] ? __virt_addr_valid+0x183/0x530 [ 95.221474][ T5148] ? __virt_addr_valid+0x45f/0x530 [ 95.223403][ T5148] ? __phys_addr+0xba/0x170 [ 95.225108][ T5148] ? __mutex_lock+0xfe/0xd70 [ 95.226874][ T5148] kasan_report+0x143/0x180 [ 95.228610][ T5148] ? __mutex_lock+0xfe/0xd70 [ 95.230379][ T5148] __mutex_lock+0xfe/0xd70 [ 95.232018][ T5148] ? lock_metapage+0x2fa/0x370 [ 95.233738][ T5148] ? dbFreeBits+0x7ea/0xd90 [ 95.235428][ T5148] ? __pfx___mutex_lock+0x10/0x10 [ 95.237436][ T5148] ? dbJoin+0x255/0x310 [ 95.239058][ T5148] dbFreeBits+0x7ea/0xd90 [ 95.240663][ T5148] dbFree+0x35b/0x680 [ 95.242209][ T5148] dbDiscardAG+0x8a9/0xa20 [ 95.243651][ T5148] ? __pfx_dbDiscardAG+0x10/0x10 [ 95.245442][ T5148] ? __pfx_lock_release+0x10/0x10 [ 95.247243][ T5148] jfs_ioc_trim+0x433/0x670 [ 95.249102][ T5148] jfs_ioctl+0x2d0/0x3e0 [ 95.250755][ T5148] ? __pfx_jfs_ioctl+0x10/0x10 [ 95.252499][ T5148] ? __fget_files+0x29/0x470 [ 95.254240][ T5148] ? bpf_lsm_file_ioctl+0x9/0x10 [ 95.256089][ T5148] ? security_file_ioctl+0x87/0xb0 [ 95.258035][ T5148] ? __pfx_jfs_ioctl+0x10/0x10 [ 95.259885][ T5148] __se_sys_ioctl+0xfc/0x170 [ 95.261636][ T5148] do_syscall_64+0xf3/0x230 [ 95.263355][ T5148] ? clear_bhb_loop+0x35/0x90 [ 95.265138][ T5148] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.267245][ T5148] RIP: 0033:0x7fb137376dc9 [ 95.268944][ T5148] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 1d 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 95.276139][ T5148] RSP: 002b:00007fb137323218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 95.279145][ T5148] RAX: ffffffffffffffda RBX: 00007fb1373fe708 RCX: 00007fb137376dc9 [ 95.282094][ T5148] RDX: 0000000020000080 RSI: 00000000c0185879 RDI: 0000000000000005 [ 95.284947][ T5148] RBP: 00007fb1373fe700 R08: 0000000000000000 R09: 0000000000000000 [ 95.287752][ T5148] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb1373ca3f4 [ 95.290691][ T5148] R13: 00007fb1373c4052 R14: 00007fb1373c4062 R15: c21418431439518c [ 95.293731][ T5148] [ 95.294926][ T5148] [ 95.295847][ T5148] Allocated by task 5148: [ 95.297521][ T5148] kasan_save_track+0x3f/0x80 [ 95.299285][ T5148] __kasan_kmalloc+0x98/0xb0 [ 95.300996][ T5148] __kmalloc_cache_noprof+0x19c/0x2c0 [ 95.302947][ T5148] dbMount+0x58/0x9b0 [ 95.304446][ T5148] jfs_mount+0x1e0/0x830 [ 95.306042][ T5148] jfs_fill_super+0x59c/0xc50 [ 95.307830][ T5148] mount_bdev+0x20a/0x2d0 [ 95.309520][ T5148] legacy_get_tree+0xee/0x190 [ 95.311255][ T5148] vfs_get_tree+0x90/0x2b0 [ 95.313047][ T5148] do_new_mount+0x2be/0xb40 [ 95.314579][ T5148] __se_sys_mount+0x2d6/0x3c0 [ 95.316338][ T5148] do_syscall_64+0xf3/0x230 [ 95.318014][ T5148] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.320132][ T5148] [ 95.321088][ T5148] Freed by task 5151: [ 95.322592][ T5148] kasan_save_track+0x3f/0x80 [ 95.324320][ T5148] kasan_save_free_info+0x40/0x50 [ 95.326160][ T5148] poison_slab_object+0xe0/0x150 [ 95.327937][ T5148] __kasan_slab_free+0x37/0x60 [ 95.329816][ T5148] kfree+0x149/0x360 [ 95.331263][ T5148] dbUnmount+0x11d/0x190 [ 95.332807][ T5148] jfs_mount_rw+0x4ac/0x6a0 [ 95.334440][ T5148] jfs_remount+0x3d1/0x6b0 [ 95.336091][ T5148] reconfigure_super+0x445/0x880 [ 95.338175][ T5148] path_mount+0xc22/0xfa0 [ 95.340091][ T5148] __se_sys_mount+0x2d6/0x3c0 [ 95.341913][ T5148] do_syscall_64+0xf3/0x230 [ 95.343574][ T5148] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 95.345840][ T5148] [ 95.346786][ T5148] The buggy address belongs to the object at ffff8880463af000 [ 95.346786][ T5148] which belongs to the cache kmalloc-2k of size 2048 [ 95.352139][ T5148] The buggy address is located 1200 bytes inside of [ 95.352139][ T5148] freed 2048-byte region [ffff8880463af000, ffff8880463af800) [ 95.357359][ T5148] [ 95.358293][ T5148] The buggy address belongs to the physical page: [ 95.360790][ T5148] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x463a8 [ 95.364026][ T5148] head: order:3 mapcount:0 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 95.367171][ T5148] flags: 0x4fff00000000040(head|node=1|zone=1|lastcpupid=0x7ff) [ 95.370025][ T5148] page_type: 0xfdffffff(slab) [ 95.371784][ T5148] raw: 04fff00000000040 ffff88801ac42000 dead000000000122 0000000000000000 [ 95.374899][ T5148] raw: 0000000000000000 0000000000080008 00000001fdffffff 0000000000000000 [ 95.378002][ T5148] head: 04fff00000000040 ffff88801ac42000 dead000000000122 0000000000000000 [ 95.381208][ T5148] head: 0000000000000000 0000000000080008 00000001fdffffff 0000000000000000 [ 95.384492][ T5148] head: 04fff00000000003 ffffea000118ea01 ffffffffffffffff 0000000000000000 [ 95.387720][ T5148] head: 0000000000000008 0000000000000000 00000000ffffffff 0000000000000000 [ 95.390877][ T5148] page dumped because: kasan: bad access detected [ 95.393369][ T5148] page_owner tracks the page as allocated [ 95.395546][ T5148] page last allocated via order 3, migratetype Unmovable, gfp_mask 0x1d20c0(__GFP_IO|__GFP_FS|__GFP_NOWARN|__GFP_NORETRY|__GFP_COMP|__GFP_NOMEMALLOC|__GFP_HARDWALL), pid 913, tgid 913 (kworker/0:3), ts 92407426887, free_ts 0 [ 95.404373][ T5148] post_alloc_hook+0x1f3/0x230 [ 95.406227][ T5148] get_page_from_freelist+0x2e4c/0x2f10 [ 95.408345][ T5148] __alloc_pages_noprof+0x256/0x6c0 [ 95.410553][ T5148] alloc_slab_page+0x5f/0x120 [ 95.412407][ T5148] allocate_slab+0x5a/0x2f0 [ 95.414188][ T5148] ___slab_alloc+0xcd1/0x14b0 [ 95.416013][ T5148] __slab_alloc+0x58/0xa0 [ 95.417749][ T5148] __kmalloc_node_track_caller_noprof+0x281/0x440 [ 95.420116][ T5148] kmalloc_reserve+0x111/0x2a0 [ 95.421973][ T5148] __alloc_skb+0x1f3/0x440 [ 95.423775][ T5148] alloc_skb_with_frags+0xc3/0x770 [ 95.425756][ T5148] sock_alloc_send_pskb+0x91a/0xa60 [ 95.427834][ T5148] mld_newpack+0x1c3/0xa90 [ 95.429562][ T5148] add_grec+0x1492/0x19a0 [ 95.431217][ T5148] mld_send_initial_cr+0x228/0x4b0 [ 95.433084][ T5148] mld_dad_work+0x44/0x500 [ 95.434754][ T5148] page_owner free stack trace missing [ 95.436617][ T5148] [ 95.437541][ T5148] Memory state around the buggy address: [ 95.439604][ T5148] ffff8880463af380: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 95.442628][ T5148] ffff8880463af400: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 95.445755][ T5148] >ffff8880463af480: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 95.448870][ T5148] ^ [ 95.451113][ T5148] ffff8880463af500: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 95.454311][ T5148] ffff8880463af580: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 95.457321][ T5148] ================================================================== executing program executing program executing program executing program executing program executing program executing program [ 97.116490][ T5151] lmLogOpen: exit(-6) [ 97.135447][ T5148] Kernel panic - not syncing: KASAN: panic_on_warn set ... [ 97.138206][ T5148] CPU: 0 UID: 0 PID: 5148 Comm: syz-executor336 Not tainted 6.11.0-rc7-syzkaller-00149-g0babf683783d #0 [ 97.142184][ T5148] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 97.146273][ T5148] Call Trace: [ 97.147655][ T5148] [ 97.148877][ T5148] dump_stack_lvl+0x241/0x360 [ 97.150745][ T5148] ? __pfx_dump_stack_lvl+0x10/0x10 [ 97.152686][ T5148] ? __pfx__printk+0x10/0x10 [ 97.154422][ T5148] ? preempt_schedule+0xe1/0xf0 [ 97.156177][ T5148] ? vscnprintf+0x5d/0x90 [ 97.157845][ T5148] panic+0x349/0x860 [ 97.159251][ T5148] ? check_panic_on_warn+0x21/0xb0 [ 97.161106][ T5148] ? __pfx_panic+0x10/0x10 [ 97.162666][ T5148] ? _raw_spin_unlock_irqrestore+0x130/0x140 [ 97.164666][ T5148] ? __pfx__raw_spin_unlock_irqrestore+0x10/0x10 [ 97.166974][ T5148] ? print_report+0x502/0x550 [ 97.168686][ T5148] check_panic_on_warn+0x86/0xb0 [ 97.170563][ T5148] ? __mutex_lock+0xfe/0xd70 [ 97.172111][ T5148] end_report+0x77/0x160 [ 97.173643][ T5148] kasan_report+0x154/0x180 [ 97.175327][ T5148] ? __mutex_lock+0xfe/0xd70 [ 97.177035][ T5148] __mutex_lock+0xfe/0xd70 [ 97.178678][ T5148] ? lock_metapage+0x2fa/0x370 [ 97.180377][ T5148] ? dbFreeBits+0x7ea/0xd90 [ 97.182056][ T5148] ? __pfx___mutex_lock+0x10/0x10 [ 97.183818][ T5148] ? dbJoin+0x255/0x310 [ 97.185282][ T5148] dbFreeBits+0x7ea/0xd90 [ 97.186762][ T5148] dbFree+0x35b/0x680 [ 97.188087][ T5148] dbDiscardAG+0x8a9/0xa20 [ 97.189563][ T5148] ? __pfx_dbDiscardAG+0x10/0x10 [ 97.191227][ T5148] ? __pfx_lock_release+0x10/0x10 [ 97.193005][ T5148] jfs_ioc_trim+0x433/0x670 [ 97.194646][ T5148] jfs_ioctl+0x2d0/0x3e0 [ 97.196217][ T5148] ? __pfx_jfs_ioctl+0x10/0x10 [ 97.198055][ T5148] ? __fget_files+0x29/0x470 [ 97.199786][ T5148] ? bpf_lsm_file_ioctl+0x9/0x10 [ 97.201480][ T5148] ? security_file_ioctl+0x87/0xb0 [ 97.203238][ T5148] ? __pfx_jfs_ioctl+0x10/0x10 [ 97.204901][ T5148] __se_sys_ioctl+0xfc/0x170 [ 97.206522][ T5148] do_syscall_64+0xf3/0x230 [ 97.207925][ T5148] ? clear_bhb_loop+0x35/0x90 [ 97.209324][ T5148] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 97.211284][ T5148] RIP: 0033:0x7fb137376dc9 [ 97.212811][ T5148] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 1d 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 [ 97.219743][ T5148] RSP: 002b:00007fb137323218 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 97.222905][ T5148] RAX: ffffffffffffffda RBX: 00007fb1373fe708 RCX: 00007fb137376dc9 [ 97.225769][ T5148] RDX: 0000000020000080 RSI: 00000000c0185879 RDI: 0000000000000005 [ 97.228318][ T5148] RBP: 00007fb1373fe700 R08: 0000000000000000 R09: 0000000000000000 [ 97.231027][ T5148] R10: 0000000000000000 R11: 0000000000000246 R12: 00007fb1373ca3f4 [ 97.233364][ T5148] R13: 00007fb1373c4052 R14: 00007fb1373c4062 R15: c21418431439518c [ 97.235883][ T5148] [ 97.237037][ T5148] Kernel Offset: disabled [ 97.238345][ T5148] Rebooting in 86400 seconds.. VM DIAGNOSIS: 07:11:23 Registers: info registers vcpu 0 CPU#0 RAX=0000000000000073 RBX=ffffffff9a668f40 RCX=0000000000000000 RDX=00000000000003f8 RSI=0000000000000000 RDI=0000000000000020 RBP=0000000000000000 RSP=ffffc90002edf170 R8 =ffffffff8540aeeb R9 =1ffff11003dc3046 R10=dffffc0000000000 R11=ffffffff8540aea0 R12=dffffc0000000000 R13=0000000000000073 R14=0000000000000073 R15=00000000000003f8 RIP=ffffffff8540af1e RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 ffffffff 00c00000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0000 0000000000000000 ffffffff 00c00000 DS =0000 0000000000000000 ffffffff 00c00000 FS =0000 00007fb1373236c0 ffffffff 00c00000 GS =0000 ffff88801fe00000 ffffffff 00c00000 LDT=0000 0000000000000000 ffffffff 00c00000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fb12f0d3000 CR3=0000000035a74000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000fffe0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 Opmask00=0000000000040401 Opmask01=0000000000000fff Opmask02=00000000fff7ffff Opmask03=0000000000000000 Opmask04=0000000000000000 Opmask05=0000000000000000 Opmask06=0000000000000000 Opmask07=0000000000000000 ZMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM01=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007ffedc47cb60 0000003000000018 ZMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ffffffffffffffff ffffffff0f0e0d0c ZMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb1373c41ca ZMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb1373c41a2 ZMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 00007fb1373c41b2 ZMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000100000001 0000000b00000000 ZMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM09=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM16=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM17=0000000000000000 0000000000000000 0000000000000000 0000000000000000 2525252525252525 2525252525252525 2525252525252525 2525252525252525 ZMM18=0000000000000000 0000000000000000 0000000000000000 0000000000000000 6e756f6d65723d73 726f727265003036 36396f7369007265 6c6c616b7a797300 ZMM19=0000000000000000 0000000000000000 0000000000000000 0000000000000000 4b504a4840571856 574a575740001513 131c4a564c005740 4949444e5f5c5600 ZMM20=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM21=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM22=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM23=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM24=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM25=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM26=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM27=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM28=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM29=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM30=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 ZMM31=0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000 0000000000000000