Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.965054] ------------[ cut here ]------------ [ 38.965960] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.968290] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/233 [ 38.969742] Modules linked in: [ 38.970330] CPU: 0 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 38.972363] Tainted: [W]=WARN [ 38.972986] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 38.974492] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 38.975428] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 38.978696] RSP: 0018:ffff888017907bc0 EFLAGS: 00010286 [ 38.979690] RAX: 0000000000000000 RBX: ffffed1002f20f78 RCX: ffffffff813a4050 [ 38.981018] RDX: ffff88801768d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 38.982330] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f20f2f [ 38.983646] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 38.984974] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017907df8 [ 38.986292] FS: 00007f99beabf900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 38.987770] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 38.988869] CR2: 00007ffe3834cef7 CR3: 0000000009dbc000 CR4: 0000000000350ef0 [ 38.990188] Call Trace: [ 38.990697] [ 38.991121] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 38.992054] ? __create_object+0x59/0x80 [ 38.992867] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 38.993868] __vmalloc_noprof+0x59/0x60 [ 38.994643] bpf_prog_alloc_no_stats+0x55/0x470 [ 38.995491] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.996440] bpf_prog_alloc+0x39/0x200 [ 38.997209] ? __pfx_seccomp_check_filter+0x10/0x10 [ 38.998163] bpf_prog_create_from_user+0xb2/0x2f0 [ 38.999088] do_seccomp+0x349/0x25e0 [ 38.999815] ? find_held_lock+0x2b/0x80 [ 39.000603] ? do_prlimit+0x310/0x610 [ 39.001324] ? __pfx_do_seccomp+0x10/0x10 [ 39.002130] ? do_raw_spin_unlock+0x53/0x220 [ 39.002976] ? _raw_spin_unlock+0x1e/0x40 [ 39.003776] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.004776] ? static_key_count+0x60/0x80 [ 39.005555] prctl_set_seccomp+0x4e/0x70 [ 39.006350] __do_sys_prctl+0xe6c/0x1d70 [ 39.007161] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.008048] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.009058] ? irqentry_exit+0xf3/0x650 [ 39.009843] do_syscall_64+0xbf/0x430 [ 39.010560] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.011534] RIP: 0033:0x7f99befb15cd [ 39.012252] 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 [ 39.015518] RSP: 002b:00007ffe3834b3d0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.016923] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f99befb15cd [ 39.018237] RDX: 000055e65eb54e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.019549] RBP: 00007ffe3834b430 R08: 0000000000000000 R09: 00007ffe3834aad0 [ 39.020902] R10: 0000000000000000 R11: 0000000000000246 R12: 000055e668a7ead0 [ 39.022220] R13: 00007ffe3834b860 R14: 000055e668a7fbc0 R15: 000055e668a90780 [ 39.023552] [ 39.024024] irq event stamp: 1799 [ 39.024698] hardirqs last enabled at (1809): [] __up_console_sem+0x78/0x80 [ 39.026260] hardirqs last disabled at (1818): [] __up_console_sem+0x5d/0x80 [ 39.027818] softirqs last enabled at (1650): [] handle_softirqs+0x50c/0x770 [ 39.029390] softirqs last disabled at (1645): [] __irq_exit_rcu+0xc4/0x100 [ 39.030686] ---[ end trace 0000000000000000 ]--- [ 41.967731] ------------[ cut here ]------------ [ 41.968453] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.970320] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/243 [ 41.972109] Modules linked in: [ 41.972654] CPU: 1 UID: 104 PID: 243 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 41.974435] Tainted: [W]=WARN [ 41.974918] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.976117] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.976874] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 41.979645] RSP: 0018:ffff88801608fbc0 EFLAGS: 00010286 [ 41.980630] RAX: 0000000000000000 RBX: ffffed1002c11f78 RCX: ffffffff813a4050 [ 41.981840] RDX: ffff88800b6e3780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.982877] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c11f2f [ 41.984080] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.985134] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801608fdf8 [ 41.986182] FS: 00007f5e45708900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.987357] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.988229] CR2: 00007f5e45c6e4a6 CR3: 000000001f781000 CR4: 0000000000350ef0 [ 41.989432] Call Trace: [ 41.989847] [ 41.990186] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.991051] ? __create_object+0x59/0x80 [ 41.991693] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.992449] __vmalloc_noprof+0x59/0x60 [ 41.993090] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.993985] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.994751] bpf_prog_alloc+0x39/0x200 [ 41.995324] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.996275] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.997064] do_seccomp+0x349/0x25e0 [ 41.997768] ? find_held_lock+0x2b/0x80 [ 41.998361] ? do_prlimit+0x310/0x610 [ 41.999034] ? __pfx_do_seccomp+0x10/0x10 [ 41.999762] ? do_raw_spin_unlock+0x53/0x220 [ 42.000411] ? _raw_spin_unlock+0x1e/0x40 [ 42.001074] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.001886] ? static_key_count+0x60/0x80 [ 42.002519] prctl_set_seccomp+0x4e/0x70 [ 42.003162] __do_sys_prctl+0xe6c/0x1d70 [ 42.003822] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.004500] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.005329] ? irqentry_exit+0xf3/0x650 [ 42.005965] do_syscall_64+0xbf/0x430 [ 42.006553] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.007351] RIP: 0033:0x7f5e45bfa5cd [ 42.007929] 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 [ 42.010609] RSP: 002b:00007fff6bdd0040 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.011752] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5e45bfa5cd [ 42.012837] RDX: 000055fd6de38e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.013904] RBP: 00007fff6bdd00a0 R08: 0000000000000000 R09: 00007fff6bdcf740 [ 42.014980] R10: 0000000000000000 R11: 0000000000000246 R12: 000055fd88b96ad0 [ 42.016058] R13: 00007fff6bdd04d0 R14: 000055fd88b97bc0 R15: 000055fd88ba8780 [ 42.017163] [ 42.017525] irq event stamp: 1919 [ 42.018165] hardirqs last enabled at (1929): [] __up_console_sem+0x78/0x80 [ 42.019678] hardirqs last disabled at (1938): [] __up_console_sem+0x5d/0x80 [ 42.020979] softirqs last enabled at (1692): [] handle_softirqs+0x50c/0x770 [ 42.022364] softirqs last disabled at (1685): [] __irq_exit_rcu+0xc4/0x100 [ 42.023638] ---[ end trace 0000000000000000 ]--- [ 42.801772] ------------[ cut here ]------------ [ 42.802711] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.804981] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/250 [ 42.806687] Modules linked in: [ 42.807378] CPU: 1 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.810053] Tainted: [W]=WARN [ 42.810890] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.812515] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.813458] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 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 [ 42.816692] RSP: 0018:ffff8880170c7bc0 EFLAGS: 00010286 [ 42.817673] RAX: 0000000000000000 RBX: ffffed1002e18f78 RCX: ffffffff813a4050 [ 42.818956] RDX: ffff888017343780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.820260] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e18f2f [ 42.821592] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.822883] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880170c7df8 [ 42.824179] FS: 00007f45038a3900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.825637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.826708] CR2: 00007f4503d95580 CR3: 000000001fdf0000 CR4: 0000000000350ef0 [ 42.828020] Call Trace: [ 42.828496] [ 42.828972] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.829881] ? __create_object+0x59/0x80 [ 42.830670] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.831647] __vmalloc_noprof+0x59/0x60 [ 42.832378] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.833287] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.834213] bpf_prog_alloc+0x39/0x200 [ 42.834941] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.835884] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.836810] do_seccomp+0x349/0x25e0 [ 42.837484] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.838388] ? __pfx_do_seccomp+0x10/0x10 [ 42.839185] ? find_held_lock+0x2b/0x80 [ 42.839933] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.840935] ? static_key_count+0x60/0x80 [ 42.841729] prctl_set_seccomp+0x4e/0x70 [ 42.842461] __do_sys_prctl+0xe6c/0x1d70 [ 42.843259] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.844098] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.845052] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.846002] ? irqentry_exit+0xf3/0x650 [ 42.846762] do_syscall_64+0xbf/0x430 [ 42.847449] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.848381] RIP: 0033:0x7f4503d955cd [ 42.849099] 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 [ 42.852293] RSP: 002b:00007ffc10971120 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.853713] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f4503d955cd [ 42.855005] RDX: 00005588dffc0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.856277] RBP: 00007ffc10971180 R08: 0000000000000000 R09: 00007ffc10970820 [ 42.857560] R10: 0000000000000000 R11: 0000000000000246 R12: 000055891932dad0 [ 42.858858] R13: 00007ffc109715b0 R14: 000055891932ebc0 R15: 000055891933f780 [ 42.860150] [ 42.860633] irq event stamp: 1791 [ 42.861242] hardirqs last enabled at (1799): [] __up_console_sem+0x78/0x80 [ 42.862789] hardirqs last disabled at (1808): [] __up_console_sem+0x5d/0x80 [ 42.864354] softirqs last enabled at (1652): [] handle_softirqs+0x50c/0x770 [ 42.865916] softirqs last disabled at (1647): [] __irq_exit_rcu+0xc4/0x100 [ 42.867427] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:21065' (ECDSA) to the list of known hosts. 2025/11/17 09:00:38 fuzzer started 2025/11/17 09:00:38 dialing manager at localhost:37895 2025/11/17 09:00:38 checking machine... 2025/11/17 09:00:38 checking revisions... [ 43.763331] kmemleak: Automatic memory scanning thread ended 2025/11/17 09:00:38 testing simple program... [ 43.867988] cgroup: Unknown subsys name 'net' [ 43.948786] cgroup: Unknown subsys name 'cpuset' [ 43.984689] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 09:00:37 Registers: info registers vcpu 0 RAX=0000000000000007 RBX=0000000000000001 RCX=ffffffff81b2a0b3 RDX=000000000000000f RSI=ffffffff86ab8282 RDI=ffffffff86725ae0 RBP=ffffffff86725ae0 RSP=ffff8880179df648 R8 =ffffffff86ab8282 R9 =0000000000000000 R10=000000000003c9ed R11=00000000000255cb R12=ffffffff86725b1c R13=ffffffff86725ae0 R14=ffffffff86725ae0 R15=dffffc0000000000 RIP=ffffffff8135da9e RFL=00000213 [----A-C] 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 00007f5e45708900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe5800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fff6bdca000 CR3=000000001fc1b000 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=0000000000000000 RBX=0000000000000001 RCX=0000000000000001 RDX=0000000000000000 RSI=00000000ffffffff RDI=ffffffff85e1ff20 RBP=ffffffff85e1ff20 RSP=ffff888016ef7df8 R8 =00000000ffffffff R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff8880173eb780 R13=ffff888018d18060 R14=00000000ffffffff R15=00007fff620c44b8 RIP=ffffffff84c720b7 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 00007fe9b585b900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe7c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f149551f020 CR3=000000000ca66000 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