sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer ------------[ cut here ]------------ WARNING: CPU: 1 PID: 4004 at kernel/events/core.c:2233 perf_event_task_tick+0xbeb/0x1050 Modules linked in: CPU: 1 PID: 4004 Comm: syz-executor.0 Not tainted 6.0.0-rc7-next-20220930 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RIP: 0010:perf_event_task_tick+0xbeb/0x1050 Code: e9 34 fd ff ff e8 05 33 ef ff 65 44 8b 35 89 9c ab 7e 31 ff 44 89 f6 e8 a3 2f ef ff 45 85 f6 0f 84 04 01 00 00 e8 e5 32 ef ff <0f> 0b e9 60 fa ff ff e8 d9 32 ef ff 65 8b 1d 5e 9c ab 7e 31 ff 89 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RSP: 0018:ffff88806cf09810 EFLAGS: 00010046 RAX: 0000000000000000 RBX: ffff88803e948000 RCX: 0000000000000100 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RDX: ffff88803f4c0000 RSI: ffffffff8156d94b RDI: 0000000000000005 RBP: ffff8880087ce908 R08: 0000000000000005 R09: 0000000000000001 sr 1:0:0:0: [sr0] tag#0 unaligned transfer R10: 0000000000000000 R11: 0000000000000001 R12: ffff88803e948098 R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000 sr 1:0:0:0: [sr0] tag#0 unaligned transfer FS: 00007f1ce4ede700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 sr 1:0:0:0: [sr0] tag#0 unaligned transfer CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f63175fd018 CR3: 000000003f48c000 CR4: 0000000000350ee0 Call Trace: scheduler_tick+0x17e/0x350 update_process_times+0x138/0x190 sr 1:0:0:0: [sr0] tag#0 unaligned transfer tick_sched_handle+0x9b/0x180 sr 1:0:0:0: [sr0] tag#0 unaligned transfer tick_sched_timer+0xf2/0x120 __hrtimer_run_queues+0x184/0xb50 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer hrtimer_interrupt+0x315/0x770 sr 1:0:0:0: [sr0] tag#0 unaligned transfer __sysvec_apic_timer_interrupt+0x144/0x500 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sysvec_apic_timer_interrupt+0x3b/0xc0 asm_sysvec_apic_timer_interrupt+0x16/0x20 RIP: 0010:lock_acquire+0x1db/0x530 sr 1:0:0:0: [sr0] tag#0 unaligned transfer Code: 02 b8 ff ff ff ff 65 0f c1 05 71 52 d8 7e 83 f8 01 0f 85 c8 02 00 00 48 83 7c 24 08 00 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RSP: 0018:ffff88806cf09bc8 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff1100d9e137b RCX: 000000007c0f64f2 RDX: 1ffff11007e9812e RSI: 0000000000000101 RDI: 0000000000000000 RBP: 0000000000000000 R08: 0000000000000000 R09: ffffffff86cd37c7 R10: fffffbfff0d9a6f8 R11: 0000000000000001 R12: 0000000000000002 R13: 0000000000000000 R14: ffffffff85407320 R15: 0000000000000000 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer get_mem_cgroup_from_objcg+0x102/0x200 uncharge_folio+0x31a/0x4d0 __mem_cgroup_uncharge+0xf5/0x200 sr 1:0:0:0: [sr0] tag#0 unaligned transfer __folio_put+0x68/0xd0 free_page_and_swap_cache+0x1ab/0x200 sr 1:0:0:0: [sr0] tag#0 unaligned transfer tlb_remove_table_rcu+0x85/0xe0 rcu_core+0x7e2/0x2080 __do_softirq+0x1c3/0x8f5 __irq_exit_rcu+0x11b/0x180 irq_exit_rcu+0x5/0x20 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sysvec_apic_timer_interrupt+0x8e/0xc0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer asm_sysvec_apic_timer_interrupt+0x16/0x20 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RIP: 0010:fd_install+0x100/0x640 sr 1:0:0:0: [sr0] tag#0 unaligned transfer Code: 00 00 e8 93 8c c0 ff 48 b8 00 00 00 00 00 fc ff df 48 8d 7d 58 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 fb 04 00 00 4c 8b 6d 58 db 31 ab ff 31 ff 89 c5 89 c6 e8 10 89 c0 ff 85 ed 0f 84 60 01 sr 1:0:0:0: [sr0] tag#0 unaligned transfer RSP: 0018:ffff88803f557d68 EFLAGS: 00000246 RAX: dffffc0000000000 RBX: 0000000000000005 RCX: ffffc900007d7000 RDX: 1ffff11002bc4e23 RSI: ffffffff81857f9d RDI: ffff888015e27118 RBP: ffff888015e270c0 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000001 R12: ffff888019dda000 R13: ffff88800f9b0880 R14: ffff88803f4c0000 R15: 1ffff11007eaafc1 sr 1:0:0:0: [sr0] tag#0 unaligned transfer __do_sys_perf_event_open+0x1fc3/0x32c0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer loop4: detected capacity change from 0 to 2560 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd sr 1:0:0:0: [sr0] tag#0 unaligned transfer RIP: 0033:0x7f1ce7968b19 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f1ce4ede188 EFLAGS: 00000246 ORIG_RAX: 000000000000012a RAX: ffffffffffffffda RBX: 00007f1ce7a7bf60 RCX: 00007f1ce7968b19 RDX: ffffffffffffffff RSI: 0000000000000000 RDI: 0000000020000280 RBP: 00007f1ce79c2f6d R08: 0000000000000000 R09: 0000000000000000 sr 1:0:0:0: [sr0] tag#0 unaligned transfer R10: ffffffffffffffff R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe3533d41f R14: 00007f1ce4ede300 R15: 0000000000022000 sr 1:0:0:0: [sr0] tag#0 unaligned transfer sr 1:0:0:0: [sr0] tag#0 unaligned transfer irq event stamp: 1125 hardirqs last enabled at (1124): [] _raw_spin_unlock_irqrestore+0x28/0x60 sr 1:0:0:0: [sr0] tag#0 unaligned transfer hardirqs last disabled at (1125): [] sysvec_apic_timer_interrupt+0xb/0xc0 sr 1:0:0:0: [sr0] tag#0 unaligned transfer softirqs last enabled at (354): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (477): [] __irq_exit_rcu+0x11b/0x180 ---[ end trace 0000000000000000 ]--- sr 1:0:0:0: [sr0] tag#0 unaligned transfer ====================================================== ---------------- Code disassembly (best guess): 0: 02 b8 ff ff ff ff add -0x1(%rax),%bh 6: 65 0f c1 05 71 52 d8 xadd %eax,%gs:0x7ed85271(%rip) # 0x7ed8527f d: 7e e: 83 f8 01 cmp $0x1,%eax 11: 0f 85 c8 02 00 00 jne 0x2df 17: 48 83 7c 24 08 00 cmpq $0x0,0x8(%rsp) 1d: 74 01 je 0x20 1f: fb sti 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 48 01 c3 add %rax,%rbx <-- trapping instruction 2d: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 34: 48 c7 43 08 00 00 00 movq $0x0,0x8(%rbx) 3b: 00 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 84 .byte 0x84 3f: 24 .byte 0x24