Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.016049] ------------[ cut here ]------------ [ 39.016940] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.018919] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.020366] Modules linked in: [ 39.020956] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.022921] Tainted: [W]=WARN [ 39.023503] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.024952] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.025851] 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 [ 39.029003] RSP: 0018:ffff888016dcfbc0 EFLAGS: 00010286 [ 39.030002] RAX: 0000000000000000 RBX: ffffed1002db9f78 RCX: ffffffff813a4050 [ 39.031266] RDX: ffff888015bb0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.032535] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002db9f2f [ 39.033809] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.035091] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016dcfdf8 [ 39.036378] FS: 00007f555434e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.037828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.038874] CR2: 00007fff520c2ef8 CR3: 000000000e966000 CR4: 0000000000350ef0 [ 39.040148] Call Trace: [ 39.040605] [ 39.041005] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.041888] ? __create_object+0x59/0x80 [ 39.042656] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.043593] __vmalloc_noprof+0x59/0x60 [ 39.044325] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.045182] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.046059] bpf_prog_alloc+0x39/0x200 [ 39.046774] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.047681] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.048564] do_seccomp+0x349/0x25e0 [ 39.049274] ? find_held_lock+0x2b/0x80 [ 39.049977] ? do_prlimit+0x310/0x610 [ 39.050718] ? __pfx_do_seccomp+0x10/0x10 [ 39.051494] ? do_raw_spin_unlock+0x53/0x220 [ 39.052323] ? _raw_spin_unlock+0x1e/0x40 [ 39.053048] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.054006] ? static_key_count+0x60/0x80 [ 39.054786] prctl_set_seccomp+0x4e/0x70 [ 39.055548] __do_sys_prctl+0xe6c/0x1d70 [ 39.056312] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.057115] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.058073] ? irqentry_exit+0xf3/0x650 [ 39.058816] do_syscall_64+0xbf/0x430 [ 39.059546] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.060501] RIP: 0033:0x7f55548405cd [ 39.061197] 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 [ 39.064295] RSP: 002b:00007fff520c0ae0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.065634] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f55548405cd [ 39.066898] RDX: 000056376e6afe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.068173] RBP: 00007fff520c0b40 R08: 0000000000000000 R09: 00007fff520c01e0 [ 39.069434] R10: 0000000000000000 R11: 0000000000000246 R12: 000056378c70ead0 [ 39.070710] R13: 00007fff520c0f70 R14: 000056378c70fbc0 R15: 000056378c720780 [ 39.071989] [ 39.072464] irq event stamp: 1749 [ 39.073070] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 39.074582] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 39.076062] softirqs last enabled at (1746): [] handle_softirqs+0x50c/0x770 [ 39.077582] softirqs last disabled at (1739): [] __irq_exit_rcu+0xc4/0x100 [ 39.079069] ---[ end trace 0000000000000000 ]--- [ 42.456698] ------------[ cut here ]------------ [ 42.457628] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.459632] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 42.461066] Modules linked in: [ 42.461703] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.463891] Tainted: [W]=WARN [ 42.464553] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.466025] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.466931] 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 [ 42.470065] RSP: 0018:ffff88800d61fbc0 EFLAGS: 00010286 [ 42.471022] RAX: 0000000000000000 RBX: ffffed1001ac3f78 RCX: ffffffff813a4050 [ 42.472303] RDX: ffff888007485340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.473560] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001ac3f2f [ 42.474842] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.476105] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d61fdf8 [ 42.477404] FS: 00007f8d35994900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.478823] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.479863] CR2: 00007f8d35e86580 CR3: 0000000020301000 CR4: 0000000000350ef0 [ 42.481148] Call Trace: [ 42.481621] [ 42.482025] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.482923] ? __create_object+0x59/0x80 [ 42.483692] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.484644] __vmalloc_noprof+0x59/0x60 [ 42.485386] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.486705] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.487654] bpf_prog_alloc+0x39/0x200 [ 42.488389] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.489648] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.490582] do_seccomp+0x349/0x25e0 [ 42.491309] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.492214] ? __pfx_do_seccomp+0x10/0x10 [ 42.492967] ? find_held_lock+0x2b/0x80 [ 42.493738] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.494702] ? static_key_count+0x60/0x80 [ 42.495506] prctl_set_seccomp+0x4e/0x70 [ 42.496291] __do_sys_prctl+0xe6c/0x1d70 [ 42.497038] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.497909] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.498875] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.499850] ? irqentry_exit+0xf3/0x650 [ 42.500620] do_syscall_64+0xbf/0x430 [ 42.501362] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.502349] RIP: 0033:0x7f8d35e865cd [ 42.503018] 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 [ 42.506232] RSP: 002b:00007ffc54994c80 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.507593] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d35e865cd [ 42.508893] RDX: 000055979a4ace00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.510207] RBP: 00007ffc54994ce0 R08: 0000000000000000 R09: 00007ffc54994380 [ 42.511504] R10: 0000000000000000 R11: 0000000000000246 R12: 00005597cfdc7ad0 [ 42.512797] R13: 00007ffc54995110 R14: 00005597cfdc8bc0 R15: 00005597cfdd9780 [ 42.514150] [ 42.514581] irq event stamp: 1771 [ 42.515236] hardirqs last enabled at (1781): [] __up_console_sem+0x78/0x80 [ 42.516777] hardirqs last disabled at (1790): [] __up_console_sem+0x5d/0x80 [ 42.518323] softirqs last enabled at (1538): [] handle_softirqs+0x50c/0x770 [ 42.519870] softirqs last disabled at (1527): [] __irq_exit_rcu+0xc4/0x100 [ 42.521392] ---[ end trace 0000000000000000 ]--- [ 43.383428] ------------[ cut here ]------------ [ 43.384223] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.385899] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 43.387144] Modules linked in: [ 43.387637] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 43.389306] Tainted: [W]=WARN [ 43.389784] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.391014] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.391771] 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 [ 43.394653] RSP: 0018:ffff88800e41fbc0 EFLAGS: 00010286 [ 43.395531] RAX: 0000000000000000 RBX: ffffed1001c83f78 RCX: ffffffff813a4050 [ 43.396619] RDX: ffff888017763780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.397715] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001c83f2f [ 43.398804] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.399886] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800e41fdf8 [ 43.400961] FS: 00007f13d4ab3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 43.402200] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.403049] CR2: 00007f13d4fa5580 CR3: 0000000020302000 CR4: 0000000000350ef0 [ 43.404143] Call Trace: [ 43.404533] [ 43.404878] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.405629] ? __create_object+0x59/0x80 [ 43.406296] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.407067] __vmalloc_noprof+0x59/0x60 [ 43.407699] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.408428] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.409214] bpf_prog_alloc+0x39/0x200 [ 43.409815] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.410605] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.411349] do_seccomp+0x349/0x25e0 [ 43.411910] ? __pfx_css_rstat_updated+0x10/0x10 [ 43.412656] ? __pfx_do_seccomp+0x10/0x10 [ 43.413310] ? find_held_lock+0x2b/0x80 [ 43.413927] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.414745] ? static_key_count+0x60/0x80 [ 43.415417] prctl_set_seccomp+0x4e/0x70 [ 43.416031] __do_sys_prctl+0xe6c/0x1d70 [ 43.416690] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.417398] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.418215] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.418984] ? irqentry_exit+0xf3/0x650 [ 43.419630] do_syscall_64+0xbf/0x430 [ 43.420238] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.421000] RIP: 0033:0x7f13d4fa55cd [ 43.421637] 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 [ 43.424345] RSP: 002b:00007ffeb2fd2090 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.425495] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f13d4fa55cd [ 43.426581] RDX: 0000560038c3ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.427657] RBP: 00007ffeb2fd20f0 R08: 0000000000000000 R09: 00007ffeb2fd1790 [ 43.428740] R10: 0000000000000000 R11: 0000000000000246 R12: 0000560065a9fbf0 [ 43.429844] R13: 00007ffeb2fd2520 R14: 0000560065aa9380 R15: 0000560065ab4460 [ 43.430939] [ 43.431324] irq event stamp: 1795 [ 43.431835] hardirqs last enabled at (1803): [] __up_console_sem+0x78/0x80 [ 43.433112] hardirqs last disabled at (1812): [] __up_console_sem+0x5d/0x80 [ 43.434412] softirqs last enabled at (1716): [] handle_softirqs+0x50c/0x770 [ 43.435707] softirqs last disabled at (1701): [] __irq_exit_rcu+0xc4/0x100 [ 43.436979] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:5631' (ECDSA) to the list of known hosts. 2025/11/19 07:43:38 fuzzer started 2025/11/19 07:43:38 dialing manager at localhost:34383 2025/11/19 07:43:38 checking machine... 2025/11/19 07:43:38 checking revisions... [ 44.328885] kmemleak: Automatic memory scanning thread ended 2025/11/19 07:43:39 testing simple program... [ 44.413157] cgroup: Unknown subsys name 'net' [ 44.477988] cgroup: Unknown subsys name 'cpuset' [ 44.495503] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 07:43:38 Registers: info registers vcpu 0 RAX=000000000000000d RBX=0000000000000001 RCX=ffffffff81b8a1e4 RDX=000000000000000d RSI=ffffffff86ac35d8 RDI=ffffffff8672d32c RBP=ffff888016f4f5c0 RSP=ffff888016f4f4e0 R8 =ffffffff86ac35d8 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000027364 R12=ffff888016f4f5c8 R13=ffff888016f4f5b0 R14=ffff888016f4f5a9 R15=ffff888016f4f568 RIP=ffffffff8135da46 RFL=00000212 [----A--] 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 00007f9e62bea900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe6d00000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055e0c594b17d CR3=00000000208b5000 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=ffffffffffff00000000000000000000 XMM02=ffffffffffff00000000000000000000 XMM03=00000000000000000000000000000000 XMM04=00000000000000000000000000000000 XMM05=00000000000000000000000000000000 XMM06=00000000000000000000000000000000 XMM07=00000000000000000000000000000000 XMM08=00000000000073707574726174732064 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=ffffffff81b2d6aa RBX=ffffffff81619130 RCX=ffff888009757794 RDX=1ffff110012eaf13 RSI=ffffffff81b2d6aa RDI=ffff888009757908 RBP=ffff8880097578d8 RSP=ffff888009757838 R8 =ffffffff86ab8488 R9 =ffff888009757880 R10=000000000003c9ed R11=00000000000255cb R12=ffff888009757908 R13=0000000000000000 R14=ffff8880096fb780 R15=ffff888008c4b780 RIP=ffffffff81619134 RFL=00000286 [--S--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 0000000000000000 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe0e00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f8d35f4b618 CR3=0000000020234000 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=6e69676f6c5f6d61702c78756e696c65 XMM02=755f6d61702c74696d7265705f6d6170 XMM03=2c766e655f6d61702c7374696d696c5f XMM04=6d61702c766e655f6d61702c7374696d XMM05=78696e755f6d61702c74696d7265705f XMM06=6469756e69676f6c5f6d61702c78756e XMM07=672065736f6c635f6e6f69737365733a XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000