------------[ cut here ]------------ field width 1163001896 out of range WARNING: lib/vsprintf.c:2654 at set_field_width lib/vsprintf.c:2654 [inline], CPU#1: syz.5.470/7608 WARNING: lib/vsprintf.c:2654 at vsnprintf+0xada/0xef0 lib/vsprintf.c:2918, CPU#1: syz.5.470/7608 Modules linked in: CPU: 1 UID: 0 PID: 7608 Comm: syz.5.470 Tainted: G L syzkaller #0 PREEMPT(full) Tainted: [L]=SOFTLOCKUP Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2026 RIP: 0010:set_field_width lib/vsprintf.c:2654 [inline] RIP: 0010:vsnprintf+0xadc/0xef0 lib/vsprintf.c:2918 Code: 30 84 c0 75 41 41 80 3f 00 0f 84 e6 02 00 00 e8 7a 8f e6 f5 4c 89 fb e9 1f f6 ff ff e8 6d 8f e6 f5 48 8d 3d 16 0d ac 04 89 de <67> 48 0f b9 3a eb ba e8 58 8f e6 f5 48 8d 3d 11 0d ac 04 89 de 67 RSP: 0018:ffffc90003aaee88 EFLAGS: 00010087 RAX: ffffffff8be140e3 RBX: 0000000045520028 RCX: 0000000000080000 RDX: ffffc9000f08b000 RSI: 0000000045520028 RDI: ffffffff908d4e00 RBP: ffffc90003aaf1cb R08: ffff88802e5c9f40 R09: 0000000000000008 R10: 0000000000000007 R11: 0000000000000002 R12: ffffc90003aaf21a R13: ffffc90003aaef80 R14: 00000000007fffff R15: ffffffff8ce0fd02 FS: 00007fc2121066c0(0000) GS:ffff888124dd1000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b33e09ff8 CR3: 0000000073602000 CR4: 0000000000350ef0 Call Trace: va_format lib/vsprintf.c:1725 [inline] pointer+0xa12/0x1120 lib/vsprintf.c:2577 vsnprintf+0x626/0xef0 lib/vsprintf.c:2953 vprintk_store+0x3be/0xd90 kernel/printk/printk.c:2307 vprintk_emit+0x192/0x560 kernel/printk/printk.c:2455 dev_vprintk_emit+0x338/0x400 drivers/base/core.c:5000 dev_printk_emit+0xee/0x140 drivers/base/core.c:5011 __dynamic_dev_dbg+0x211/0x2e0 lib/dynamic_debug.c:904 dtv_property_process_get+0x4263/0x4480 drivers/media/dvb-core/dvb_frontend.c:1595 dvb_get_property drivers/media/dvb-core/dvb_frontend.c:2397 [inline] dvb_frontend_handle_ioctl drivers/media/dvb-core/dvb_frontend.c:2478 [inline] dvb_frontend_do_ioctl+0x22d2/0x4200 drivers/media/dvb-core/dvb_frontend.c:2101 dvb_usercopy+0x199/0x2e0 drivers/media/dvb-core/dvbdev.c:996 dvb_frontend_ioctl+0x59/0x80 drivers/media/dvb-core/dvb_frontend.c:2115 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:597 [inline] __se_sys_ioctl+0xfc/0x170 fs/ioctl.c:583 do_syscall_x64 arch/x86/entry/syscall_64.c:61 [inline] do_syscall_64+0x166/0x520 arch/x86/entry/syscall_64.c:84 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fc21119e159 Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fc212106028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007fc211425fa0 RCX: 00007fc21119e159 RDX: 0000200000000000 RSI: 0000000080106f53 RDI: 000000000000000d RBP: 00007fc21123503b R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fc211426038 R14: 00007fc211425fa0 R15: 00007ffd353f1cf8 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 84 c0 test %al,%al 2: 75 41 jne 0x45 4: 41 80 3f 00 cmpb $0x0,(%r15) 8: 0f 84 e6 02 00 00 je 0x2f4 e: e8 7a 8f e6 f5 call 0xf5e68f8d 13: 4c 89 fb mov %r15,%rbx 16: e9 1f f6 ff ff jmp 0xfffff63a 1b: e8 6d 8f e6 f5 call 0xf5e68f8d 20: 48 8d 3d 16 0d ac 04 lea 0x4ac0d16(%rip),%rdi # 0x4ac0d3d 27: 89 de mov %ebx,%esi * 29: 67 48 0f b9 3a ud1 (%edx),%rdi <-- trapping instruction 2e: eb ba jmp 0xffffffea 30: e8 58 8f e6 f5 call 0xf5e68f8d 35: 48 8d 3d 11 0d ac 04 lea 0x4ac0d11(%rip),%rdi # 0x4ac0d4d 3c: 89 de mov %ebx,%esi 3e: 67 addr32