Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.232478] ------------[ cut here ]------------ [ 39.233431] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.235591] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/230 [ 39.237202] Modules linked in: [ 39.237834] CPU: 1 UID: 104 PID: 230 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.240268] Tainted: [W]=WARN [ 39.240861] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.242534] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.243559] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.246934] RSP: 0018:ffff88800da47bc0 EFLAGS: 00010286 [ 39.248006] RAX: 0000000000000000 RBX: ffffed1001b48f78 RCX: ffffffff813a4050 [ 39.249386] RDX: ffff88801705b780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.250767] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001b48f2f [ 39.252208] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.253614] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800da47df8 [ 39.255003] FS: 00007fcbf35ca900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.256565] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.257737] CR2: 00007ffe995d9ef8 CR3: 000000000e632000 CR4: 0000000000350ef0 [ 39.259127] Call Trace: [ 39.259706] [ 39.260151] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.261121] ? __create_object+0x59/0x80 [ 39.261970] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.263041] __vmalloc_noprof+0x59/0x60 [ 39.263889] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.264841] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.265847] bpf_prog_alloc+0x39/0x200 [ 39.266640] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.267639] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.268622] do_seccomp+0x349/0x25e0 [ 39.269406] ? find_held_lock+0x2b/0x80 [ 39.270163] ? do_prlimit+0x310/0x610 [ 39.270958] ? __pfx_do_seccomp+0x10/0x10 [ 39.271818] ? do_raw_spin_unlock+0x53/0x220 [ 39.272717] ? _raw_spin_unlock+0x1e/0x40 [ 39.273580] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.274615] ? static_key_count+0x60/0x80 [ 39.275504] prctl_set_seccomp+0x4e/0x70 [ 39.276349] __do_sys_prctl+0xe6c/0x1d70 [ 39.277136] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.278076] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.279125] ? irqentry_exit+0xf3/0x650 [ 39.279944] do_syscall_64+0xbf/0x430 [ 39.280751] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.281785] RIP: 0033:0x7fcbf3abc5cd [ 39.282561] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.286009] RSP: 002b:00007ffe995d79f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.287503] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fcbf3abc5cd [ 39.288708] RDX: 0000560ef237be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.289836] RBP: 00007ffe995d7a50 R08: 0000000000000000 R09: 00007ffe995d70f0 [ 39.290977] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560f0f2642b0 [ 39.292132] R13: 00007ffe995d7e80 R14: 0000560f0f266d20 R15: 0000560f0f2788d0 [ 39.293294] [ 39.293665] irq event stamp: 1831 [ 39.294234] hardirqs last enabled at (1841): [] __up_console_sem+0x78/0x80 [ 39.295600] hardirqs last disabled at (1860): [] __up_console_sem+0x5d/0x80 [ 39.296935] softirqs last enabled at (1858): [] handle_softirqs+0x50c/0x770 [ 39.298283] softirqs last disabled at (1849): [] __irq_exit_rcu+0xc4/0x100 [ 39.299605] ---[ end trace 0000000000000000 ]--- [ 42.838627] ------------[ cut here ]------------ [ 42.839576] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.841683] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.843415] Modules linked in: [ 42.844012] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.846074] Tainted: [W]=WARN [ 42.846690] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.848162] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.849084] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.852288] RSP: 0018:ffff888016317bc0 EFLAGS: 00010286 [ 42.853269] RAX: 0000000000000000 RBX: ffffed1002c62f78 RCX: ffffffff813a4050 [ 42.854554] RDX: ffff888017080000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.855841] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c62f2f [ 42.857135] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.858406] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016317df8 [ 42.859680] FS: 00007f6209fd9900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.861108] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.862197] CR2: 00007f620a53f4a6 CR3: 000000000e77b000 CR4: 0000000000350ef0 [ 42.863502] Call Trace: [ 42.863969] [ 42.864426] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.865327] ? __create_object+0x59/0x80 [ 42.866068] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.867029] __vmalloc_noprof+0x59/0x60 [ 42.867791] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.868678] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.869625] bpf_prog_alloc+0x39/0x200 [ 42.870360] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.871290] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.872139] do_seccomp+0x349/0x25e0 [ 42.872869] ? find_held_lock+0x2b/0x80 [ 42.873635] ? do_prlimit+0x310/0x610 [ 42.874378] ? __pfx_do_seccomp+0x10/0x10 [ 42.875121] ? do_raw_spin_unlock+0x53/0x220 [ 42.875985] ? _raw_spin_unlock+0x1e/0x40 [ 42.876754] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.877732] ? static_key_count+0x60/0x80 [ 42.878524] prctl_set_seccomp+0x4e/0x70 [ 42.879359] __do_sys_prctl+0xe6c/0x1d70 [ 42.880091] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.880938] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.881909] ? irqentry_exit+0xf3/0x650 [ 42.882685] do_syscall_64+0xbf/0x430 [ 42.883431] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.884382] RIP: 0033:0x7f620a4cb5cd [ 42.885039] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.888199] RSP: 002b:00007fff3e77b160 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.889557] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f620a4cb5cd [ 42.890844] RDX: 000055aef77bae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.892151] RBP: 00007fff3e77b1c0 R08: 0000000000000000 R09: 00007fff3e77a860 [ 42.893462] R10: 0000000000000000 R11: 0000000000000246 R12: 000055af356732b0 [ 42.894744] R13: 00007fff3e77b5f0 R14: 000055af35675d20 R15: 000055af356878d0 [ 42.896053] [ 42.896515] irq event stamp: 1799 [ 42.897123] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 42.898646] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 42.900077] softirqs last enabled at (1744): [] handle_softirqs+0x50c/0x770 [ 42.901362] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 42.902623] ---[ end trace 0000000000000000 ]--- [ 43.741156] ------------[ cut here ]------------ [ 43.742075] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.744081] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.745520] Modules linked in: [ 43.746104] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.748081] Tainted: [W]=WARN [ 43.748670] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.750421] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.751409] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 43.754533] RSP: 0018:ffff88801624fbc0 EFLAGS: 00010286 [ 43.755510] RAX: 0000000000000000 RBX: ffffed1002c49f78 RCX: ffffffff813a4050 [ 43.756801] RDX: ffff8880167eb780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.758092] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c49f2f [ 43.759383] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.760670] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801624fdf8 [ 43.761943] FS: 00007fac5f977900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.763401] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.764480] CR2: 00007fff32921ef8 CR3: 00000000205de000 CR4: 0000000000350ef0 [ 43.765798] Call Trace: [ 43.766317] [ 43.766735] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.767636] ? __create_object+0x59/0x80 [ 43.768420] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.769392] __vmalloc_noprof+0x59/0x60 [ 43.770114] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.770977] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.771900] bpf_prog_alloc+0x39/0x200 [ 43.772631] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.773551] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.774448] do_seccomp+0x349/0x25e0 [ 43.775118] ? find_held_lock+0x2b/0x80 [ 43.775876] ? do_prlimit+0x310/0x610 [ 43.776621] ? __pfx_do_seccomp+0x10/0x10 [ 43.777407] ? do_raw_spin_unlock+0x53/0x220 [ 43.778226] ? _raw_spin_unlock+0x1e/0x40 [ 43.778954] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.779923] ? static_key_count+0x60/0x80 [ 43.780719] prctl_set_seccomp+0x4e/0x70 [ 43.781480] __do_sys_prctl+0xe6c/0x1d70 [ 43.782261] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.783062] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.784028] ? irqentry_exit+0xf3/0x650 [ 43.784779] do_syscall_64+0xbf/0x430 [ 43.785502] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.786463] RIP: 0033:0x7fac5fe695cd [ 43.787143] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 43.790470] RSP: 002b:00007fff32920700 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.791889] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fac5fe695cd [ 43.793208] RDX: 00005601bd223e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.794521] RBP: 00007fff32920760 R08: 0000000000000000 R09: 00007fff3291fe00 [ 43.795849] R10: 0000000000000000 R11: 0000000000000246 R12: 00005601dd663ad0 [ 43.797161] R13: 00007fff32920b90 R14: 00005601dd664bc0 R15: 00005601dd675780 [ 43.798521] [ 43.798954] irq event stamp: 1801 [ 43.799630] hardirqs last enabled at (1811): [] __up_console_sem+0x78/0x80 [ 43.801048] hardirqs last disabled at (1820): [] __up_console_sem+0x5d/0x80 [ 43.802344] softirqs last enabled at (1596): [] handle_softirqs+0x50c/0x770 [ 43.803665] softirqs last disabled at (1591): [] __irq_exit_rcu+0xc4/0x100 [ 43.804949] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:45419' (ECDSA) to the list of known hosts. 2025/11/19 00:11:58 fuzzer started 2025/11/19 00:11:59 dialing manager at localhost:34383 2025/11/19 00:11:59 checking machine... 2025/11/19 00:11:59 checking revisions... [ 44.882912] kmemleak: Automatic memory scanning thread ended 2025/11/19 00:11:59 testing simple program... [ 44.979568] cgroup: Unknown subsys name 'net' [ 45.057747] cgroup: Unknown subsys name 'cpuset' [ 45.073430] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 00:11:58 Registers: info registers vcpu 0 RAX=0000000000000001 RBX=0000000000000000 RCX=dfb8078e475e76a4 RDX=0000000085cb9a3e RSI=000000008301a466 RDI=0000000081125d94 RBP=ffffffff85e1ffe0 RSP=ffff88806ce08968 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=0000000000000002 R13=0000000000000000 R14=0000000000000000 R15=0000000000000200 RIP=ffffffff8152926b RFL=00000206 [-----P-] 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 00007f6209fd9900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0100000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff3e775000 CR3=0000000014a5e000 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 XMM00=635f6e6f69737365733a4d41503d706f XMM01=6f6c5f6d61702c78756e696c65735f6d XMM02=61702c74696d7265705f6d61702c7469 XMM03=655f6d61702c7374696d696c5f6d6170 XMM04=3d6c616e696d72657420322e322e302e XMM05=3d656d616e74736f682022646873732f XMM06=746f6f72223d746363612078756e696c XMM07=6e655f6d61702c7374696d696c5f6d61 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000021f1f RBX=0000000000000001 RCX=ffffffff84c72d57 RDX=0000000000000000 RSI=0000000000000000 RDI=ffffffff814d2c90 RBP=dffffc0000000000 RSP=ffff8880096efe58 R8 =0000000000000001 R9 =ffffed100d9e639a R10=ffff88806cf31cd3 R11=0000000000000001 R12=ffffffff8664f850 R13=1ffff110012ddfd2 R14=0000000000000000 R15=0000000000000000 RIP=ffffffff84c7174e RFL=00000202 [-------] 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 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe6300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffdb9c16e38 CR3=000000000bd69000 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 XMM00=00000000000000000000000000000000 XMM01=685fb432faee89a67c46a3e887813b3f XMM02=2c67c8bc2e329bc30000000000307d58 XMM03=fb795ef6d65770560000000000310d30 XMM04=fa197592663598c800000000000ae988 XMM05=07c8bb74b6c04a4400000000003216f8 XMM06=ad5fc44105882fb8000000000031b518 XMM07=e042d86d42eb936e0000000000310fb0 XMM08=0c911427a69cefb70000000000307db8 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000