[ 87.374941] loop0: detected capacity change from 0 to 1024 [ 87.379552] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 87.416548] input: Macintosh mouse button emulation as /devices/virtual/input/input5 [ 87.465444] Oops: general protection fault, probably for non-canonical address 0xdffffc00000000a4: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 87.466875] KASAN: null-ptr-deref in range [0x0000000000000520-0x0000000000000527] [ 87.467728] CPU: 0 UID: 0 PID: 4940 Comm: sh Not tainted 6.12.0 #1 [ 87.468434] Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 [ 87.469590] RIP: 0010:input_unregister_device+0x26/0x100 [ 87.470220] Code: 90 90 90 90 f3 0f 1e fa 55 48 89 fd 53 e8 c2 76 15 fe 48 8d bd 20 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e ac 00 00 00 0f b6 9d 20 05 00 00 31 [ 87.472272] RSP: 0018:ffff88800e7dfc28 EFLAGS: 00010212 [ 87.472855] RAX: dffffc0000000000 RBX: ffffffff86d50240 RCX: ffffffff8433de7e [ 87.473635] RDX: 00000000000000a4 RSI: ffffffff833478fe RDI: 0000000000000520 [ 87.474419] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1001cfbf7d [ 87.475275] R10: ffff88800e7dfbef R11: 1ffff1100da47329 R12: 0000000000000000 [ 87.476109] R13: 0000000000000001 R14: 0000000000000001 R15: ffff88800e7dfe08 [ 87.476934] FS: 00007f3a61e11580(0000) GS:ffff88806d200000(0000) knlGS:0000000000000000 [ 87.477856] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.478482] CR2: 00005587dedd26c8 CR3: 000000000a1ca000 CR4: 0000000000350ef0 [ 87.479347] Call Trace: [ 87.479918] [ 87.480188] ? die_addr+0x3c/0xa0 [ 87.481277] ? exc_general_protection+0x19f/0x330 [ 87.482692] ? asm_exc_general_protection+0x26/0x30 [ 87.483842] ? mutex_unlock+0x7e/0xd0 [ 87.484634] ? input_unregister_device+0xe/0x100 [ 87.485733] ? input_unregister_device+0x26/0x100 [ 87.486729] ? input_unregister_device+0xe/0x100 [ 87.487774] mac_hid_toggle_emumouse+0x1d7/0x490 [ 87.488796] proc_sys_call_handler+0x534/0x680 [ 87.489787] ? __pfx_proc_sys_call_handler+0x10/0x10 [ 87.490839] ? security_file_permission+0x22/0x90 [ 87.491893] vfs_write+0xa6b/0xd80 [ 87.492655] ? __pfx_proc_sys_write+0x10/0x10 [ 87.493572] ? __pfx_vfs_write+0x10/0x10 [ 87.494432] ? fdget_pos+0x206/0x680 [ 87.495235] ksys_write+0x125/0x250 [ 87.496042] ? __pfx_ksys_write+0x10/0x10 [ 87.496898] ? fpregs_assert_state_consistent+0xbe/0xe0 [ 87.497815] do_syscall_64+0xa6/0x1a0 [ 87.498254] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 87.498864] RIP: 0033:0x7f3a61d274b3 [ 87.499285] Code: 8b 15 e1 29 0e 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb b7 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 55 c3 0f 1f 40 00 48 83 ec 28 48 89 54 24 18 [ 87.501439] RSP: 002b:00007fff3b13b4d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 87.502303] RAX: ffffffffffffffda RBX: 00005587dedd06c0 RCX: 00007f3a61d274b3 [ 87.503109] RDX: 0000000000000002 RSI: 00005587dedd06c0 RDI: 0000000000000001 [ 87.503907] RBP: 0000000000000002 R08: 00005587dedd06c0 R09: 00007f3a61e0abe0 [ 87.504691] R10: 0000000000000070 R11: 0000000000000246 R12: 0000000000000001 [ 87.505469] R13: 0000000000000002 R14: 7fffffffffffffff R15: 0000000000000000 [ 87.506292] [ 87.506559] Modules linked in: [ 87.507011] ---[ end trace 0000000000000000 ]--- [ 87.507536] RIP: 0010:input_unregister_device+0x26/0x100 [ 87.508181] Code: 90 90 90 90 f3 0f 1e fa 55 48 89 fd 53 e8 c2 76 15 fe 48 8d bd 20 05 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <0f> b6 04 02 84 c0 74 06 0f 8e ac 00 00 00 0f b6 9d 20 05 00 00 31 [ 87.510682] RSP: 0018:ffff88800e7dfc28 EFLAGS: 00010212 [ 87.511297] RAX: dffffc0000000000 RBX: ffffffff86d50240 RCX: ffffffff8433de7e [ 87.512374] RDX: 00000000000000a4 RSI: ffffffff833478fe RDI: 0000000000000520 [ 87.513358] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed1001cfbf7d [ 87.514553] R10: ffff88800e7dfbef R11: 1ffff1100da47329 R12: 0000000000000000 [ 87.515585] R13: 0000000000000001 R14: 0000000000000001 R15: ffff88800e7dfe08 [ 87.516787] FS: 00007f3a61e11580(0000) GS:ffff88806d200000(0000) knlGS:0000000000000000 [ 87.518132] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.519051] CR2: 00005587dedd26c8 CR3: 000000000a1ca000 CR4: 0000000000350ef0 [ 87.552160] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. [ 87.615346] loop0: detected capacity change from 0 to 32768 [ 87.624949] loop0: p1 p3 < p5 > [ 87.625315] loop0: partition table partially beyond EOD, truncated [ 87.697225] blktrace: Concurrent blktraces are not allowed on sr0 [ 87.717883] loop0: detected capacity change from 0 to 1024 [ 87.720248] EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. [ 87.722157] EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. VM DIAGNOSIS: 09:31:16 Registers: info registers vcpu 0 CPU#0 RAX=000000000000003f RBX=00000000000003f8 RCX=0000000000000000 RDX=00000000000003f8 RSI=ffffffff82498ff5 RDI=ffffffff86d448e8 RBP=ffffffff86d448e0 RSP=ffff88800e7df4b0 R8 =0000000000000000 R9 =ffffed100134001e R10=000000000000003f R11=615f656964203f20 R12=000000000000003f R13=ffffffff86cb0c51 R14=0000000000000010 R15=dffffc0000000000 RIP=ffffffff8249904d RFL=00000002 [-------] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f3a61e11580 00000000 00000000 GS =0000 ffff88806d200000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00005587dedd26c8 CR3=000000000a1ca000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 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 YMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM01=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM02=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM03=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM04=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM05=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM06=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM07=0000000000000000 0000000000000000 ffffffffffffffff ffffffffffffffff YMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM09=0000000000000000 0000000000000000 0000000000000000 00007f2ea3325367 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000 info registers vcpu 1 CPU#1 RAX=ffff88806d300000 RBX=0000000000000001 RCX=ffffffff843319b4 RDX=ffffed100da66ad1 RSI=0000000000000004 RDI=000000000005a0ac RBP=dffffc0000000000 RSP=ffff888007327e68 R8 =0000000000000001 R9 =ffffed100da66ad0 R10=ffff88806d335683 R11=1ffff1100da67329 R12=ffffffff85ac55c8 R13=1ffff11000e64fd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff8433278e RFL=00000216 [----AP-] CPL=0 II=0 A20=1 SMM=0 HLT=1 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 0000000000000000 00000000 00000000 GS =0000 ffff88806d300000 00000000 00000000 LDT=0000 fffffe0000000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000558dde436ba8 CR3=00000000193ea000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 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 YMM00=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM01=0000000000000000 0000000000000000 0000000000000000 00000000ffffffff YMM02=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM03=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM04=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM05=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM06=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM07=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM08=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM09=0000000000000000 0000000000000000 0000000000000000 00007fb4cfac5367 YMM10=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM11=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM12=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM13=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM14=0000000000000000 0000000000000000 0000000000000000 0000000000000000 YMM15=0000000000000000 0000000000000000 0000000000000000 0000000000000000