Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.624667] ------------[ cut here ]------------ [ 45.625558] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.627567] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/236 [ 45.629029] Modules linked in: [ 45.629617] CPU: 1 UID: 104 PID: 236 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 45.631625] Tainted: [W]=WARN [ 45.632234] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.633718] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.634907] 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 [ 45.638172] RSP: 0018:ffff88800f467bc0 EFLAGS: 00010286 [ 45.639151] RAX: 0000000000000000 RBX: ffffed1001e8cf78 RCX: ffffffff813a4050 [ 45.640460] RDX: ffff888019a45340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.641738] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001e8cf2f [ 45.643032] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.644348] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800f467df8 [ 45.645624] FS: 00007eff9283a900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 45.647064] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.648143] CR2: 00007fff51bcdef8 CR3: 000000000ef7a000 CR4: 0000000000350ef0 [ 45.649438] Call Trace: [ 45.649936] [ 45.650351] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.651246] ? __create_object+0x59/0x80 [ 45.652052] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.653023] __vmalloc_noprof+0x59/0x60 [ 45.653748] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.654615] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.655549] bpf_prog_alloc+0x39/0x200 [ 45.656299] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.657235] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.658128] do_seccomp+0x349/0x25e0 [ 45.658805] ? find_held_lock+0x2b/0x80 [ 45.659572] ? do_prlimit+0x310/0x610 [ 45.660320] ? __pfx_do_seccomp+0x10/0x10 [ 45.661106] ? do_raw_spin_unlock+0x53/0x220 [ 45.661949] ? _raw_spin_unlock+0x1e/0x40 [ 45.662679] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.663628] ? static_key_count+0x60/0x80 [ 45.664443] prctl_set_seccomp+0x4e/0x70 [ 45.665228] __do_sys_prctl+0xe6c/0x1d70 [ 45.666011] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.666833] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.667808] ? irqentry_exit+0xf3/0x650 [ 45.668573] do_syscall_64+0xbf/0x430 [ 45.669317] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.670260] RIP: 0033:0x7eff92d2c5cd [ 45.670973] 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 [ 45.674151] RSP: 002b:00007fff51bcb2c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.675522] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007eff92d2c5cd [ 45.676824] RDX: 0000562db9cffe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.678114] RBP: 00007fff51bcb320 R08: 0000000000000000 R09: 00007fff51bca9c0 [ 45.679409] R10: 0000000000000000 R11: 0000000000000246 R12: 0000562dc7e6ead0 [ 45.680711] R13: 00007fff51bcb750 R14: 0000562dc7e6fbc0 R15: 0000562dc7e80780 [ 45.682006] [ 45.682427] irq event stamp: 1839 [ 45.683080] hardirqs last enabled at (1849): [] __up_console_sem+0x78/0x80 [ 45.684599] hardirqs last disabled at (1858): [] __up_console_sem+0x5d/0x80 [ 45.686114] softirqs last enabled at (1394): [] handle_softirqs+0x50c/0x770 [ 45.687653] softirqs last disabled at (1367): [] __irq_exit_rcu+0xc4/0x100 [ 45.689189] ---[ end trace 0000000000000000 ]--- [ 48.662573] ------------[ cut here ]------------ [ 48.663533] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 48.665588] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 48.667050] Modules linked in: [ 48.667649] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 48.669932] Tainted: [W]=WARN [ 48.670493] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 48.672019] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 48.672964] 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 [ 48.676170] RSP: 0018:ffff888016807bc0 EFLAGS: 00010286 [ 48.677156] RAX: 0000000000000000 RBX: ffffed1002d00f78 RCX: ffffffff813a4050 [ 48.678449] RDX: ffff8880146a3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 48.679748] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002d00f2f [ 48.681044] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 48.682339] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016807df8 [ 48.683616] FS: 00007f7eb9510900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 48.685076] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 48.686142] CR2: 00007fff6b337ef8 CR3: 000000001014c000 CR4: 0000000000350ef0 [ 48.687424] Call Trace: [ 48.687962] [ 48.688377] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 48.689294] ? __create_object+0x59/0x80 [ 48.690087] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 48.691055] __vmalloc_noprof+0x59/0x60 [ 48.691785] bpf_prog_alloc_no_stats+0x55/0x470 [ 48.692684] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.693636] bpf_prog_alloc+0x39/0x200 [ 48.694393] ? __pfx_seccomp_check_filter+0x10/0x10 [ 48.695335] bpf_prog_create_from_user+0xb2/0x2f0 [ 48.696268] do_seccomp+0x349/0x25e0 [ 48.696995] ? find_held_lock+0x2b/0x80 [ 48.697718] ? do_prlimit+0x310/0x610 [ 48.698458] ? __pfx_do_seccomp+0x10/0x10 [ 48.699256] ? do_raw_spin_unlock+0x53/0x220 [ 48.700115] ? _raw_spin_unlock+0x1e/0x40 [ 48.700901] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 48.701833] ? static_key_count+0x60/0x80 [ 48.702638] prctl_set_seccomp+0x4e/0x70 [ 48.703419] __do_sys_prctl+0xe6c/0x1d70 [ 48.704215] ? __pfx___do_sys_prctl+0x10/0x10 [ 48.705083] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 48.706059] ? irqentry_exit+0xf3/0x650 [ 48.706781] do_syscall_64+0xbf/0x430 [ 48.707534] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 48.708519] RIP: 0033:0x7f7eb9a025cd [ 48.709234] 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 [ 48.712447] RSP: 002b:00007fff6b3363d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 48.713817] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7eb9a025cd [ 48.715142] RDX: 000055e56d9bee00 RSI: 0000000000000002 RDI: 0000000000000016 [ 48.716442] RBP: 00007fff6b336430 R08: 0000000000000000 R09: 00007fff6b335ad0 [ 48.717732] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e5a9ddb2b0 [ 48.719038] R13: 00007fff6b336860 R14: 000055e5a9dddd20 R15: 000055e5a9def8d0 [ 48.720362] [ 48.720786] irq event stamp: 1837 [ 48.721439] hardirqs last enabled at (1847): [] __up_console_sem+0x78/0x80 [ 48.722979] hardirqs last disabled at (1856): [] __up_console_sem+0x5d/0x80 [ 48.724518] softirqs last enabled at (1478): [] handle_softirqs+0x50c/0x770 [ 48.726077] softirqs last disabled at (1473): [] __irq_exit_rcu+0xc4/0x100 [ 48.727608] ---[ end trace 0000000000000000 ]--- [ 49.566974] ------------[ cut here ]------------ [ 49.568018] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.570172] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 49.571767] Modules linked in: [ 49.572477] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 49.574644] Tainted: [W]=WARN [ 49.575309] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.576923] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.577925] 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 [ 49.581378] RSP: 0018:ffff88801743fbc0 EFLAGS: 00010286 [ 49.582442] RAX: 0000000000000000 RBX: ffffed1002e87f78 RCX: ffffffff813a4050 [ 49.583867] RDX: ffff888019a43780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.585259] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e87f2f [ 49.586648] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.588054] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801743fdf8 [ 49.589455] FS: 00007fe0b7ce1900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.591009] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.592175] CR2: 00007fe0b81d3580 CR3: 00000000100c9000 CR4: 0000000000350ef0 [ 49.593574] Call Trace: [ 49.594123] [ 49.594571] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.595549] ? __create_object+0x59/0x80 [ 49.596505] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.597563] __vmalloc_noprof+0x59/0x60 [ 49.598394] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.599354] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.600373] bpf_prog_alloc+0x39/0x200 [ 49.601213] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.602235] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.603224] do_seccomp+0x349/0x25e0 [ 49.604025] ? __pfx_css_rstat_updated+0x10/0x10 [ 49.605015] ? __pfx_do_seccomp+0x10/0x10 [ 49.605822] ? find_held_lock+0x2b/0x80 [ 49.606663] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.607705] ? static_key_count+0x60/0x80 [ 49.608594] prctl_set_seccomp+0x4e/0x70 [ 49.609453] __do_sys_prctl+0xe6c/0x1d70 [ 49.610314] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.611252] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.612308] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.613368] ? irqentry_exit+0xf3/0x650 [ 49.614203] do_syscall_64+0xbf/0x430 [ 49.615006] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.616074] RIP: 0033:0x7fe0b81d35cd [ 49.616793] 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 [ 49.620268] RSP: 002b:00007ffc7745ba30 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.621733] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe0b81d35cd [ 49.623127] RDX: 0000563c20450e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.624550] RBP: 00007ffc7745ba90 R08: 0000000000000000 R09: 00007ffc7745b130 [ 49.625974] R10: 0000000000000000 R11: 0000000000000246 R12: 0000563c460baad0 [ 49.627370] R13: 00007ffc7745bec0 R14: 0000563c460bbbc0 R15: 0000563c460cc780 [ 49.628763] [ 49.629210] irq event stamp: 1745 [ 49.629786] hardirqs last enabled at (1753): [] __up_console_sem+0x78/0x80 [ 49.631202] hardirqs last disabled at (1762): [] __up_console_sem+0x5d/0x80 [ 49.632627] softirqs last enabled at (1648): [] handle_softirqs+0x50c/0x770 [ 49.634075] softirqs last disabled at (1643): [] __irq_exit_rcu+0xc4/0x100 [ 49.635484] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:48291' (ECDSA) to the list of known hosts. 2025/11/18 22:22:13 fuzzer started 2025/11/18 22:22:14 dialing manager at localhost:34383 2025/11/18 22:22:14 checking machine... 2025/11/18 22:22:14 checking revisions... [ 50.505477] kmemleak: Automatic memory scanning thread ended 2025/11/18 22:22:14 testing simple program... [ 50.600990] cgroup: Unknown subsys name 'net' [ 50.694784] cgroup: Unknown subsys name 'cpuset' [ 50.719472] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 22:22:13 Registers: info registers vcpu 0 RAX=ffff888014602618 RBX=ffff8880146376b0 RCX=ffff8880146375cc RDX=0000000000000001 RSI=ffffffff85e1ffe0 RDI=ffff888014602618 RBP=ffffffff85e1ffe0 RSP=ffff8880146375b8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffffffff81b56e15 R13=0000000000000206 R14=ffff888014601bc0 R15=0000000000000001 RIP=ffffffff81522249 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 00007ffae40f1900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5000000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffead7a7ae8 CR3=000000000e9cc000 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=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=bba1509a6242110300000000000ae988 XMM05=239753bb899593180000000000322410 XMM06=14648eaa1277bab10000000000321558 XMM07=fb795ef6d657705600000000003123d8 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=00000000002000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff83eea118 RBX=ffffffff869198cc RCX=ffffffff83eea276 RDX=0000000000000000 RSI=ffffffff86da5e48 RDI=ffffffff869198cc RBP=ffffffff869198d0 RSP=ffff888019ab7568 R8 =ffffffff86da5e48 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000a24cc R12=ffffffff869198cc R13=ffffffff869198cc R14=0000000000000000 R15=dffffc0000000000 RIP=ffffffff8135dad7 RFL=00000246 [---Z-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 00007f7eb9510900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7400000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff6b330000 CR3=0000000020917000 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