Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 38.994427] ------------[ cut here ]------------ [ 38.995266] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 38.997342] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/232 [ 38.998792] Modules linked in: [ 38.999417] CPU: 0 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.001381] Tainted: [W]=WARN [ 39.001925] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.003369] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.004218] 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 [ 39.007335] RSP: 0018:ffff888017947bc0 EFLAGS: 00010286 [ 39.008244] RAX: 0000000000000000 RBX: ffffed1002f28f78 RCX: ffffffff813a4050 [ 39.009511] RDX: ffff888016d9d340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.010763] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002f28f2f [ 39.012022] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.013302] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017947df8 [ 39.014579] FS: 00007fc1a0c49900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 39.015979] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.017022] CR2: 00007ffe5bdbaef7 CR3: 000000000dad3000 CR4: 0000000000350ef0 [ 39.018306] Call Trace: [ 39.018776] [ 39.019178] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.020072] ? __create_object+0x59/0x80 [ 39.020855] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.021812] __vmalloc_noprof+0x59/0x60 [ 39.022540] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.023399] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.024264] bpf_prog_alloc+0x39/0x200 [ 39.025009] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.025923] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.026819] do_seccomp+0x349/0x25e0 [ 39.027522] ? find_held_lock+0x2b/0x80 [ 39.028228] ? do_prlimit+0x310/0x610 [ 39.028971] ? __pfx_do_seccomp+0x10/0x10 [ 39.029747] ? do_raw_spin_unlock+0x53/0x220 [ 39.030568] ? _raw_spin_unlock+0x1e/0x40 [ 39.031340] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.032229] ? static_key_count+0x60/0x80 [ 39.033025] prctl_set_seccomp+0x4e/0x70 [ 39.033794] __do_sys_prctl+0xe6c/0x1d70 [ 39.034566] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.035414] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.036367] ? irqentry_exit+0xf3/0x650 [ 39.037082] do_syscall_64+0xbf/0x430 [ 39.037809] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.038732] RIP: 0033:0x7fc1a113b5cd [ 39.039432] 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 [ 39.042545] RSP: 002b:00007ffe5bdb8570 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.043889] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc1a113b5cd [ 39.045176] RDX: 000055a5f9e31e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.046433] RBP: 00007ffe5bdb85d0 R08: 0000000000000000 R09: 00007ffe5bdb7c70 [ 39.047681] R10: 0000000000000000 R11: 0000000000000246 R12: 000055a60af93ad0 [ 39.048946] R13: 00007ffe5bdb8a00 R14: 000055a60af94bc0 R15: 000055a60afa5780 [ 39.050213] [ 39.050669] irq event stamp: 1717 [ 39.051259] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 39.052789] hardirqs last disabled at (1736): [] __up_console_sem+0x5d/0x80 [ 39.054269] softirqs last enabled at (1590): [] handle_softirqs+0x50c/0x770 [ 39.055798] softirqs last disabled at (1585): [] __irq_exit_rcu+0xc4/0x100 [ 39.057304] ---[ end trace 0000000000000000 ]--- [ 41.796171] ------------[ cut here ]------------ [ 41.797125] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.799132] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/240 [ 41.800597] Modules linked in: [ 41.801205] CPU: 1 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.803196] Tainted: [W]=WARN [ 41.803790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.805305] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.806188] 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 [ 41.809366] RSP: 0018:ffff8880139efbc0 EFLAGS: 00010286 [ 41.810350] RAX: 0000000000000000 RBX: ffffed100273df78 RCX: ffffffff813a4050 [ 41.811625] RDX: ffff88800f1fd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.812921] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100273df2f [ 41.814210] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.815495] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880139efdf8 [ 41.816815] FS: 00007f94e36e1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 41.818310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.819386] CR2: 00007f94e3bd3580 CR3: 000000000e00b000 CR4: 0000000000350ef0 [ 41.820673] Call Trace: [ 41.821155] [ 41.821626] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.822546] ? __create_object+0x59/0x80 [ 41.823337] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.824258] __vmalloc_noprof+0x59/0x60 [ 41.825023] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.825920] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.826857] bpf_prog_alloc+0x39/0x200 [ 41.827596] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.828535] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.829450] do_seccomp+0x349/0x25e0 [ 41.830123] ? __pfx_css_rstat_updated+0x10/0x10 [ 41.831024] ? __pfx_do_seccomp+0x10/0x10 [ 41.831826] ? find_held_lock+0x2b/0x80 [ 41.832592] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.833584] ? static_key_count+0x60/0x80 [ 41.834389] prctl_set_seccomp+0x4e/0x70 [ 41.835121] __do_sys_prctl+0xe6c/0x1d70 [ 41.835923] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.836801] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.837762] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.838742] ? irqentry_exit+0xf3/0x650 [ 41.839516] do_syscall_64+0xbf/0x430 [ 41.840220] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.841207] RIP: 0033:0x7f94e3bd35cd [ 41.841932] 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 [ 41.845132] RSP: 002b:00007fffd755ced0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.846506] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f94e3bd35cd [ 41.847798] RDX: 000056521b63ce00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.849105] RBP: 00007fffd755cf30 R08: 0000000000000000 R09: 00007fffd755c5d0 [ 41.850389] R10: 0000000000000000 R11: 0000000000000246 R12: 0000565237cadad0 [ 41.851678] R13: 00007fffd755d360 R14: 0000565237caebc0 R15: 0000565237cbf780 [ 41.852987] [ 41.853444] irq event stamp: 1749 [ 41.853986] hardirqs last enabled at (1757): [] __up_console_sem+0x78/0x80 [ 41.855239] hardirqs last disabled at (1766): [] __up_console_sem+0x5d/0x80 [ 41.856513] softirqs last enabled at (1686): [] handle_softirqs+0x50c/0x770 [ 41.857812] softirqs last disabled at (1681): [] __irq_exit_rcu+0xc4/0x100 [ 41.859069] ---[ end trace 0000000000000000 ]--- [ 42.684380] ------------[ cut here ]------------ [ 42.685270] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.687426] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/247 [ 42.688868] Modules linked in: [ 42.689494] CPU: 0 UID: 104 PID: 247 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.691480] Tainted: [W]=WARN [ 42.692027] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.693511] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.694411] 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 [ 42.697575] RSP: 0018:ffff8880167cfbc0 EFLAGS: 00010286 [ 42.698560] RAX: 0000000000000000 RBX: ffffed1002cf9f78 RCX: ffffffff813a4050 [ 42.699861] RDX: ffff888015d21bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.701143] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002cf9f2f [ 42.702429] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.703712] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880167cfdf8 [ 42.705003] FS: 00007f12fa72e900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.706451] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.707525] CR2: 00007ffc7d522ef7 CR3: 000000000dcce000 CR4: 0000000000350ef0 [ 42.708820] Call Trace: [ 42.709321] [ 42.709730] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.710626] ? __create_object+0x59/0x80 [ 42.711422] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.712399] __vmalloc_noprof+0x59/0x60 [ 42.713129] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.714026] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.714987] bpf_prog_alloc+0x39/0x200 [ 42.715750] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.716703] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.717641] do_seccomp+0x349/0x25e0 [ 42.718375] ? find_held_lock+0x2b/0x80 [ 42.719107] ? do_prlimit+0x310/0x610 [ 42.719874] ? __pfx_do_seccomp+0x10/0x10 [ 42.720669] ? do_raw_spin_unlock+0x53/0x220 [ 42.721528] ? _raw_spin_unlock+0x1e/0x40 [ 42.722329] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.723271] ? static_key_count+0x60/0x80 [ 42.724095] prctl_set_seccomp+0x4e/0x70 [ 42.724909] __do_sys_prctl+0xe6c/0x1d70 [ 42.725712] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.726596] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.727598] do_syscall_64+0xbf/0x430 [ 42.728341] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.729278] RIP: 0033:0x7f12fac205cd [ 42.730006] 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 [ 42.733306] RSP: 002b:00007ffc7d521490 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.734708] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f12fac205cd [ 42.736030] RDX: 00005638a2a7ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.737367] RBP: 00007ffc7d5214f0 R08: 0000000000000000 R09: 00007ffc7d520b90 [ 42.738695] R10: 0000000000000000 R11: 0000000000000246 R12: 00005638aa8a4bf0 [ 42.740012] R13: 00007ffc7d521920 R14: 00005638aa8ae380 R15: 00005638aa8b9460 [ 42.741360] [ 42.741797] irq event stamp: 1733 [ 42.742449] hardirqs last enabled at (1743): [] __up_console_sem+0x78/0x80 [ 42.744018] hardirqs last disabled at (1752): [] __up_console_sem+0x5d/0x80 [ 42.745582] softirqs last enabled at (1702): [] handle_softirqs+0x50c/0x770 [ 42.747165] softirqs last disabled at (1697): [] __irq_exit_rcu+0xc4/0x100 [ 42.748719] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:36430' (ECDSA) to the list of known hosts. 2025/11/18 17:45:26 fuzzer started 2025/11/18 17:45:27 dialing manager at localhost:34383 2025/11/18 17:45:27 checking machine... 2025/11/18 17:45:27 checking revisions... [ 43.691903] kmemleak: Automatic memory scanning thread ended 2025/11/18 17:45:27 testing simple program... [ 43.795824] cgroup: Unknown subsys name 'net' [ 43.853373] cgroup: Unknown subsys name 'cpuset' [ 43.873252] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 17:45:26 Registers: info registers vcpu 0 RAX=dffffc0000000000 RBX=ffff8880168ba2c8 RCX=ffffffff816935ef RDX=ffff888015dc5340 RSI=ffffffff81687ad3 RDI=ffff8880168e7b68 RBP=ffff8880168e7b68 RSP=ffff888015c47c20 R8 =0000000000000001 R9 =ffffed1002bb837d R10=0000000000000002 R11=0000000000000001 R12=ffff8880168e7b98 R13=ffff8880168e7b80 R14=ffff888015dc1be8 R15=0000559c9ed4c000 RIP=ffffffff81687ae1 RFL=00000293 [--S-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 00007f253a603700 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=0000565237cd2768 CR3=000000000e019000 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=35343a373120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3933325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320323739 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000002 RBX=0000000000000001 RCX=ffffffff86abec64 RDX=0000000000000008 RSI=ffff88800fd5f940 RDI=ffff88800fd5f760 RBP=ffff88800fd5f7b8 RSP=ffff88800fd5f6e8 R8 =ffffffff86abec68 R9 =0000000000000000 R10=000000000003c9ed R11=0000000000026726 R12=ffff88800fd5f7c0 R13=ffff88800fd5f7a8 R14=ffff88800fd5f948 R15=ffff88800fd5f760 RIP=ffffffff8135e210 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 00007f94e36e1900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4500000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f94e36b0008 CR3=000000001f6e5000 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=652022746f6f72223d74636361207469 XMM02=3d6c616e696d72657420322e322e302e XMM03=3d656d616e74736f682022646873732f XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=652075253d64692073253d706f000000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000