IPv6: ADDRCONF(NETDEV_UP): wlan1: link is not ready 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 CPU: 1 PID: 3054 Comm: syz-executor.0 Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 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 e8 03 00 8d 42 ff 48 98 4c 03 34 c5 e0 be 69 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:ffffc900010c7858 EFLAGS: 00010202 RAX: 0000000000003ffe RBX: ffff88022b6f0c58 RCX: 0000000000000001 RDX: 0000000000003fff RSI: 0000000000000000 RDI: 0000000000080000 RBP: ffffc900010c7890 R08: 0000000000080000 R09: 0000000000000000 R10: ffff88022b738000 R11: 0000000000000000 R12: ffff880237b3e880 R13: ffff880237b3e8c4 R14: 0001e420fec4df70 R15: 0000000000000001 FS: 00007fd4547996c0(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002005aeff CR3: 000000022b70f000 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 include/linux/spinlock_api_smp.h:143 [inline] _raw_spin_lock+0x2b/0x40 kernel/locking/spinlock.c:144 spin_lock include/linux/spinlock.h:329 [inline] __mutex_unlock_slowpath+0x17f/0x220 kernel/locking/mutex.c:1230 mutex_unlock+0xd/0x10 kernel/locking/mutex.c:713 dbAllocBits+0x1fc/0x250 fs/jfs/jfs_dmap.c:2298 dbAllocDmap+0x27/0x80 fs/jfs/jfs_dmap.c:2072 dbAllocNext+0x162/0x190 fs/jfs/jfs_dmap.c:1225 dbAlloc+0x145/0x410 fs/jfs/jfs_dmap.c:791 extBalloc fs/jfs/jfs_extent.c:531 [inline] extAlloc+0x133/0x470 fs/jfs/jfs_extent.c:138 jfs_get_block+0x99/0x2a0 fs/jfs/inode.c:257 nobh_write_begin+0x19d/0x510 fs/buffer.c:2607 jfs_write_begin+0x31/0x6a fs/jfs/inode.c:322 generic_perform_write+0xb8/0x1a0 mm/filemap.c:3139 __generic_file_write_iter+0x147/0x1c0 mm/filemap.c:3264 generic_file_write_iter+0x10e/0x210 mm/filemap.c:3292 call_write_iter include/linux/fs.h:1808 [inline] do_iter_readv_writev+0x115/0x180 fs/read_write.c:680 do_iter_write fs/read_write.c:959 [inline] do_iter_write+0x81/0x180 fs/read_write.c:940 vfs_writev+0x7f/0xf0 fs/read_write.c:1004 do_pwritev+0x89/0xe0 fs/read_write.c:1093 __do_sys_pwritev fs/read_write.c:1140 [inline] __se_sys_pwritev fs/read_write.c:1135 [inline] __x64_sys_pwritev+0x1c/0x20 fs/read_write.c:1135 do_syscall_64+0x63/0x160 arch/x86/entry/common.c:290 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7fd454814d39 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fd4547990c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000128 RAX: ffffffffffffffda RBX: 00007fd454935f80 RCX: 00007fd454814d39 RDX: 0000000000000001 RSI: 0000000020002200 RDI: 0000000000000003 RBP: 00007fd454871567 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000006 R14: 00007fd454935f80 R15: 00007ffc823d1a58 Modules linked in: ---[ end trace efb823bfe21fec3f ]--- 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 e8 03 00 8d 42 ff 48 98 4c 03 34 c5 e0 be 69 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:ffffc900010c7858 EFLAGS: 00010202 RAX: 0000000000003ffe RBX: ffff88022b6f0c58 RCX: 0000000000000001 RDX: 0000000000003fff RSI: 0000000000000000 RDI: 0000000000080000 RBP: ffffc900010c7890 R08: 0000000000080000 R09: 0000000000000000 R10: ffff88022b738000 R11: 0000000000000000 R12: ffff880237b3e880 R13: ffff880237b3e8c4 R14: 0001e420fec4df70 R15: 0000000000000001 FS: 00007fd4547996c0(0000) GS:ffff880237b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 000000002005aeff CR3: 000000022b70f000 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 e8 03 00 lea 0x3e880(%rax),%r14 1d: 8d 42 ff lea -0x1(%rdx),%eax 20: 48 98 cltq 22: 4c 03 34 c5 e0 be 69 add -0x7d964120(,%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