IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready general protection fault: 0000 [#1] SMP PTI CPU: 1 PID: 1280 Comm: jfsCommit Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/06/2024 RIP: 0010:__write_once_size include/linux/compiler.h:215 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x1a9/0x2e0 kernel/locking/qspinlock.c:424 Code: dd 83 e0 03 c1 ea 12 41 bf 01 00 00 00 4d 8d 6c 24 44 48 c1 e0 04 4c 8d b0 80 2b 02 00 8d 42 ff 48 98 4c 03 34 c5 00 0b e2 82 <4d> 89 26 41 8b 44 24 08 ba 00 80 00 00 85 c0 75 79 84 d2 75 65 41 RSP: 0018:ffffc90003c3bac0 EFLAGS: 00010006 RAX: 00000000000020b2 RBX: ffff88022c3da6a0 RCX: 0000000000000001 RDX: 00000000000020b3 RSI: 0000000000000000 RDI: 0000000000080000 RBP: ffffc90003c3baf8 R08: 0000000000080000 R09: 0000000000000000 R10: ffff88022c3da6b8 R11: 0000000000000000 R12: ffff880237b22b80 R13: ffff880237b22bc4 R14: 6d65725f76679012 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbf92e0a000 CR3: 000000022c604000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: pv_queued_spin_lock_slowpath arch/x86/include/asm/paravirt.h:679 [inline] queued_spin_lock_slowpath arch/x86/include/asm/qspinlock.h:32 [inline] queued_spin_lock include/asm-generic/qspinlock.h:88 [inline] do_raw_spin_lock+0xb7/0xc0 kernel/locking/spinlock_debug.c:113 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:117 [inline] _raw_spin_lock_irqsave+0x57/0x70 kernel/locking/spinlock.c:152 __wake_up_common_lock+0x60/0xc0 kernel/sched/wait.c:120 __wake_up+0xe/0x10 kernel/sched/wait.c:145 unlock_metapage fs/jfs/jfs_metapage.c:50 [inline] release_metapage+0x5f/0x270 fs/jfs/jfs_metapage.c:750 discard_metapage fs/jfs/jfs_metapage.h:101 [inline] xtTruncate+0xab6/0xc70 fs/jfs/jfs_xtree.c:3462 jfs_free_zero_link+0x95/0x190 fs/jfs/namei.c:770 jfs_evict_inode+0x91/0xa0 fs/jfs/inode.c:162 evict+0xcf/0x1a0 fs/inode.c:558 iput_final fs/inode.c:1547 [inline] iput fs/inode.c:1573 [inline] iput+0x208/0x260 fs/inode.c:1559 txUpdateMap+0x300/0x310 fs/jfs/jfs_txnmgr.c:2413 txLazyCommit fs/jfs/jfs_txnmgr.c:2710 [inline] jfs_lazycommit+0x210/0x350 fs/jfs/jfs_txnmgr.c:2778 kthread+0x11c/0x140 kernel/kthread.c:246 ret_from_fork+0x3a/0x50 arch/x86/entry/entry_64.S:413 Modules linked in: ---[ end trace e141179783c071dd ]--- RIP: 0010:__write_once_size include/linux/compiler.h:215 [inline] RIP: 0010:__pv_queued_spin_lock_slowpath+0x1a9/0x2e0 kernel/locking/qspinlock.c:424 Code: dd 83 e0 03 c1 ea 12 41 bf 01 00 00 00 4d 8d 6c 24 44 48 c1 e0 04 4c 8d b0 80 2b 02 00 8d 42 ff 48 98 4c 03 34 c5 00 0b e2 82 <4d> 89 26 41 8b 44 24 08 ba 00 80 00 00 85 c0 75 79 84 d2 75 65 41 RSP: 0018:ffffc90003c3bac0 EFLAGS: 00010006 RAX: 00000000000020b2 RBX: ffff88022c3da6a0 RCX: 0000000000000001 RDX: 00000000000020b3 RSI: 0000000000000000 RDI: 0000000000080000 RBP: ffffc90003c3baf8 R08: 0000000000080000 R09: 0000000000000000 R10: ffff88022c3da6b8 R11: 0000000000000000 R12: ffff880237b22b80 R13: ffff880237b22bc4 R14: 6d65725f76679012 R15: 0000000000000001 FS: 0000000000000000(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbf92e0a000 CR3: 000000022c604000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: dd 83 e0 03 c1 ea fldl -0x153efc20(%rbx) 6: 12 41 bf adc -0x41(%rcx),%al 9: 01 00 add %eax,(%rax) b: 00 00 add %al,(%rax) d: 4d 8d 6c 24 44 lea 0x44(%r12),%r13 12: 48 c1 e0 04 shl $0x4,%rax 16: 4c 8d b0 80 2b 02 00 lea 0x22b80(%rax),%r14 1d: 8d 42 ff lea -0x1(%rdx),%eax 20: 48 98 cltq 22: 4c 03 34 c5 00 0b e2 add -0x7d1df500(,%rax,8),%r14 29: 82 * 2a: 4d 89 26 mov %r12,(%r14) <-- trapping instruction 2d: 41 8b 44 24 08 mov 0x8(%r12),%eax 32: ba 00 80 00 00 mov $0x8000,%edx 37: 85 c0 test %eax,%eax 39: 75 79 jne 0xb4 3b: 84 d2 test %dl,%dl 3d: 75 65 jne 0xa4 3f: 41 rex.B